8327840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 21482496

約数和(自身を除く): 13154656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 73, 80, 92, 115, 124, 146, 155, 160, 184, 230, 248, 292, 310, 365, 368, 460, 496, 584, 620, 713, 730, 736, 920, 992, 1168, 1240, 1426, 1460, 1679, 1840, 2263, 2336, 2480, 2852, 2920, 3358, 3565, 3680, 4526, 4960, 5704, 5840, 6716, 7130, 8395, 9052, 11315, 11408, 11680, 13432, 14260, 16790, 18104, 22630, 22816, 26864, 28520, 33580, 36208, 45260, 52049, 53728, 57040, 67160, 72416, 90520, 104098, 114080, 134320, 181040, 208196, 260245, 268640, 362080, 416392, 520490, 832784, 1040980, 1665568, 2081960, 4163920, 8327840]

約数ペア:

[(1, 8327840), (2, 4163920), (4, 2081960), (5, 1665568), (8, 1040980), (10, 832784), (16, 520490), (20, 416392), (23, 362080), (31, 268640), (32, 260245), (40, 208196), (46, 181040), (62, 134320), (73, 114080), (80, 104098), (92, 90520), (115, 72416), (124, 67160), (146, 57040), (155, 53728), (160, 52049), (184, 45260), (230, 36208), (248, 33580), (292, 28520), (310, 26864), (365, 22816), (368, 22630), (460, 18104), (496, 16790), (584, 14260), (620, 13432), (713, 11680), (730, 11408), (736, 11315), (920, 9052), (992, 8395), (1168, 7130), (1240, 6716), (1426, 5840), (1460, 5704), (1679, 4960), (1840, 4526), (2263, 3680), (2336, 3565), (2480, 3358), (2852, 2920)]