80994680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 209563200

約数和(自身を除く): 128568520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 41, 52, 58, 65, 82, 104, 116, 130, 131, 145, 164, 205, 232, 260, 262, 290, 328, 377, 410, 520, 524, 533, 580, 655, 754, 820, 1048, 1066, 1160, 1189, 1310, 1508, 1640, 1703, 1885, 2132, 2378, 2620, 2665, 3016, 3406, 3770, 3799, 4264, 4756, 5240, 5330, 5371, 5945, 6812, 7540, 7598, 8515, 9512, 10660, 10742, 11890, 13624, 15080, 15196, 15457, 17030, 18995, 21320, 21484, 23780, 26855, 30392, 30914, 34060, 37990, 42968, 47560, 49387, 53710, 61828, 68120, 69823, 75980, 77285, 98774, 107420, 123656, 139646, 151960, 154570, 155759, 197548, 214840, 246935, 279292, 309140, 311518, 349115, 395096, 493870, 558584, 618280, 623036, 698230, 778795, 987740, 1246072, 1396460, 1557590, 1975480, 2024867, 2792920, 3115180, 4049734, 6230360, 8099468, 10124335, 16198936, 20248670, 40497340, 80994680]

約数ペア:

[(1, 80994680), (2, 40497340), (4, 20248670), (5, 16198936), (8, 10124335), (10, 8099468), (13, 6230360), (20, 4049734), (26, 3115180), (29, 2792920), (40, 2024867), (41, 1975480), (52, 1557590), (58, 1396460), (65, 1246072), (82, 987740), (104, 778795), (116, 698230), (130, 623036), (131, 618280), (145, 558584), (164, 493870), (205, 395096), (232, 349115), (260, 311518), (262, 309140), (290, 279292), (328, 246935), (377, 214840), (410, 197548), (520, 155759), (524, 154570), (533, 151960), (580, 139646), (655, 123656), (754, 107420), (820, 98774), (1048, 77285), (1066, 75980), (1160, 69823), (1189, 68120), (1310, 61828), (1508, 53710), (1640, 49387), (1703, 47560), (1885, 42968), (2132, 37990), (2378, 34060), (2620, 30914), (2665, 30392), (3016, 26855), (3406, 23780), (3770, 21484), (3799, 21320), (4264, 18995), (4756, 17030), (5240, 15457), (5330, 15196), (5371, 15080), (5945, 13624), (6812, 11890), (7540, 10742), (7598, 10660), (8515, 9512)]