78854080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7949}}^1$

素因数の和:7997

約数の個数: 56

約数和(自身を含む): 193852800

約数和(自身を除く): 114998720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7949, 9920, 15898, 31796, 39745, 63592, 79490, 127184, 158980, 246419, 254368, 317960, 492838, 508736, 635920, 985676, 1232095, 1271840, 1971352, 2464190, 2543680, 3942704, 4928380, 7885408, 9856760, 15770816, 19713520, 39427040, 78854080]

約数ペア:

[(1, 78854080), (2, 39427040), (4, 19713520), (5, 15770816), (8, 9856760), (10, 7885408), (16, 4928380), (20, 3942704), (31, 2543680), (32, 2464190), (40, 1971352), (62, 1271840), (64, 1232095), (80, 985676), (124, 635920), (155, 508736), (160, 492838), (248, 317960), (310, 254368), (320, 246419), (496, 158980), (620, 127184), (992, 79490), (1240, 63592), (1984, 39745), (2480, 31796), (4960, 15898), (7949, 9920)]