80898200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 201810000

約数和(自身を除く): 120911800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 61, 76, 95, 100, 122, 152, 190, 200, 244, 305, 349, 380, 475, 488, 610, 698, 760, 950, 1159, 1220, 1396, 1525, 1745, 1900, 2318, 2440, 2792, 3050, 3490, 3800, 4636, 5795, 6100, 6631, 6980, 8725, 9272, 11590, 12200, 13262, 13960, 17450, 21289, 23180, 26524, 28975, 33155, 34900, 42578, 46360, 53048, 57950, 66310, 69800, 85156, 106445, 115900, 132620, 165775, 170312, 212890, 231800, 265240, 331550, 404491, 425780, 532225, 663100, 808982, 851560, 1064450, 1326200, 1617964, 2022455, 2128900, 3235928, 4044910, 4257800, 8089820, 10112275, 16179640, 20224550, 40449100, 80898200]

約数ペア:

[(1, 80898200), (2, 40449100), (4, 20224550), (5, 16179640), (8, 10112275), (10, 8089820), (19, 4257800), (20, 4044910), (25, 3235928), (38, 2128900), (40, 2022455), (50, 1617964), (61, 1326200), (76, 1064450), (95, 851560), (100, 808982), (122, 663100), (152, 532225), (190, 425780), (200, 404491), (244, 331550), (305, 265240), (349, 231800), (380, 212890), (475, 170312), (488, 165775), (610, 132620), (698, 115900), (760, 106445), (950, 85156), (1159, 69800), (1220, 66310), (1396, 57950), (1525, 53048), (1745, 46360), (1900, 42578), (2318, 34900), (2440, 33155), (2792, 28975), (3050, 26524), (3490, 23180), (3800, 21289), (4636, 17450), (5795, 13960), (6100, 13262), (6631, 12200), (6980, 11590), (8725, 9272)]