89954560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 222518016

約数和(自身を除く): 132563456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2267, 2480, 3968, 4534, 4960, 7936, 9068, 9920, 11335, 18136, 19840, 22670, 36272, 39680, 45340, 70277, 72544, 90680, 140554, 145088, 181360, 281108, 290176, 351385, 362720, 562216, 580352, 702770, 725440, 1124432, 1405540, 1450880, 2248864, 2811080, 2901760, 4497728, 5622160, 8995456, 11244320, 17990912, 22488640, 44977280, 89954560]

約数ペア:

[(1, 89954560), (2, 44977280), (4, 22488640), (5, 17990912), (8, 11244320), (10, 8995456), (16, 5622160), (20, 4497728), (31, 2901760), (32, 2811080), (40, 2248864), (62, 1450880), (64, 1405540), (80, 1124432), (124, 725440), (128, 702770), (155, 580352), (160, 562216), (248, 362720), (256, 351385), (310, 290176), (320, 281108), (496, 181360), (620, 145088), (640, 140554), (992, 90680), (1240, 72544), (1280, 70277), (1984, 45340), (2267, 39680), (2480, 36272), (3968, 22670), (4534, 19840), (4960, 18136), (7936, 11335), (9068, 9920)]