8125359700

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{521}}^1\times {\mathrm{1879}}^1$

素因数の和:2497

約数の個数: 72

約数和(自身を含む): 17888230080

約数和(自身を除く): 9762870380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 521, 830, 1042, 1660, 1879, 2075, 2084, 2605, 3758, 4150, 5210, 7516, 8300, 9395, 10420, 13025, 18790, 26050, 37580, 43243, 46975, 52100, 86486, 93950, 155957, 172972, 187900, 216215, 311914, 432430, 623828, 779785, 864860, 978959, 1081075, 1559570, 1957918, 2162150, 3119140, 3898925, 3915836, 4324300, 4894795, 7797850, 9789590, 15595700, 19579180, 24473975, 48947950, 81253597, 97895900, 162507194, 325014388, 406267985, 812535970, 1625071940, 2031339925, 4062679850, 8125359700]

約数ペア:

[(1, 8125359700), (2, 4062679850), (4, 2031339925), (5, 1625071940), (10, 812535970), (20, 406267985), (25, 325014388), (50, 162507194), (83, 97895900), (100, 81253597), (166, 48947950), (332, 24473975), (415, 19579180), (521, 15595700), (830, 9789590), (1042, 7797850), (1660, 4894795), (1879, 4324300), (2075, 3915836), (2084, 3898925), (2605, 3119140), (3758, 2162150), (4150, 1957918), (5210, 1559570), (7516, 1081075), (8300, 978959), (9395, 864860), (10420, 779785), (13025, 623828), (18790, 432430), (26050, 311914), (37580, 216215), (43243, 187900), (46975, 172972), (52100, 155957), (86486, 93950)]