13320080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 32997888

約数和(自身を除く): 19677808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 131, 155, 164, 205, 248, 262, 310, 328, 410, 496, 524, 620, 655, 656, 820, 1048, 1240, 1271, 1310, 1640, 2096, 2480, 2542, 2620, 3280, 4061, 5084, 5240, 5371, 6355, 8122, 10168, 10480, 10742, 12710, 16244, 20305, 20336, 21484, 25420, 26855, 32488, 40610, 42968, 50840, 53710, 64976, 81220, 85936, 101680, 107420, 162440, 166501, 214840, 324880, 333002, 429680, 666004, 832505, 1332008, 1665010, 2664016, 3330020, 6660040, 13320080]

約数ペア:

[(1, 13320080), (2, 6660040), (4, 3330020), (5, 2664016), (8, 1665010), (10, 1332008), (16, 832505), (20, 666004), (31, 429680), (40, 333002), (41, 324880), (62, 214840), (80, 166501), (82, 162440), (124, 107420), (131, 101680), (155, 85936), (164, 81220), (205, 64976), (248, 53710), (262, 50840), (310, 42968), (328, 40610), (410, 32488), (496, 26855), (524, 25420), (620, 21484), (655, 20336), (656, 20305), (820, 16244), (1048, 12710), (1240, 10742), (1271, 10480), (1310, 10168), (1640, 8122), (2096, 6355), (2480, 5371), (2542, 5240), (2620, 5084), (3280, 4061)]