56155640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 136663200

約数和(自身を除く): 80507560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 1997, 2812, 3515, 3994, 5624, 7030, 7988, 9985, 14060, 15976, 19970, 28120, 37943, 39940, 73889, 75886, 79880, 147778, 151772, 189715, 295556, 303544, 369445, 379430, 591112, 738890, 758860, 1403891, 1477780, 1517720, 2807782, 2955560, 5615564, 7019455, 11231128, 14038910, 28077820, 56155640]

約数ペア:

[(1, 56155640), (2, 28077820), (4, 14038910), (5, 11231128), (8, 7019455), (10, 5615564), (19, 2955560), (20, 2807782), (37, 1517720), (38, 1477780), (40, 1403891), (74, 758860), (76, 738890), (95, 591112), (148, 379430), (152, 369445), (185, 303544), (190, 295556), (296, 189715), (370, 151772), (380, 147778), (703, 79880), (740, 75886), (760, 73889), (1406, 39940), (1480, 37943), (1997, 28120), (2812, 19970), (3515, 15976), (3994, 14060), (5624, 9985), (7030, 7988)]