89019800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{6269}}^1$

素因数の和:6356

約数の個数: 48

約数和(自身を含む): 209919600

約数和(自身を除く): 120899800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 6269, 7100, 12538, 14200, 25076, 31345, 50152, 62690, 125380, 156725, 250760, 313450, 445099, 626900, 890198, 1253800, 1780396, 2225495, 3560792, 4450990, 8901980, 11127475, 17803960, 22254950, 44509900, 89019800]

約数ペア:

[(1, 89019800), (2, 44509900), (4, 22254950), (5, 17803960), (8, 11127475), (10, 8901980), (20, 4450990), (25, 3560792), (40, 2225495), (50, 1780396), (71, 1253800), (100, 890198), (142, 626900), (200, 445099), (284, 313450), (355, 250760), (568, 156725), (710, 125380), (1420, 62690), (1775, 50152), (2840, 31345), (3550, 25076), (6269, 14200), (7100, 12538)]