64803700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 153601280

約数和(自身を除く): 88797580

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 631, 650, 790, 1027, 1262, 1300, 1580, 1975, 2054, 2524, 3155, 3950, 4108, 5135, 6310, 7900, 8203, 10270, 12620, 15775, 16406, 20540, 25675, 31550, 32812, 41015, 49849, 51350, 63100, 82030, 99698, 102700, 164060, 199396, 205075, 249245, 410150, 498490, 648037, 820300, 996980, 1246225, 1296074, 2492450, 2592148, 3240185, 4984900, 6480370, 12960740, 16200925, 32401850, 64803700]

約数ペア:

[(1, 64803700), (2, 32401850), (4, 16200925), (5, 12960740), (10, 6480370), (13, 4984900), (20, 3240185), (25, 2592148), (26, 2492450), (50, 1296074), (52, 1246225), (65, 996980), (79, 820300), (100, 648037), (130, 498490), (158, 410150), (260, 249245), (316, 205075), (325, 199396), (395, 164060), (631, 102700), (650, 99698), (790, 82030), (1027, 63100), (1262, 51350), (1300, 49849), (1580, 41015), (1975, 32812), (2054, 31550), (2524, 25675), (3155, 20540), (3950, 16406), (4108, 15775), (5135, 12620), (6310, 10270), (7900, 8203)]