89563720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 213580800

約数和(自身を除く): 124017080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 617, 760, 764, 955, 1234, 1528, 1910, 2468, 3085, 3629, 3820, 4936, 6170, 7258, 7640, 11723, 12340, 14516, 18145, 23446, 24680, 29032, 36290, 46892, 58615, 72580, 93784, 117230, 117847, 145160, 234460, 235694, 468920, 471388, 589235, 942776, 1178470, 2239093, 2356940, 4478186, 4713880, 8956372, 11195465, 17912744, 22390930, 44781860, 89563720]

約数ペア:

[(1, 89563720), (2, 44781860), (4, 22390930), (5, 17912744), (8, 11195465), (10, 8956372), (19, 4713880), (20, 4478186), (38, 2356940), (40, 2239093), (76, 1178470), (95, 942776), (152, 589235), (190, 471388), (191, 468920), (380, 235694), (382, 234460), (617, 145160), (760, 117847), (764, 117230), (955, 93784), (1234, 72580), (1528, 58615), (1910, 46892), (2468, 36290), (3085, 29032), (3629, 24680), (3820, 23446), (4936, 18145), (6170, 14516), (7258, 12340), (7640, 11723)]