101223680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2603

約数の個数: 72

約数和(自身を含む): 250381824

約数和(自身を除く): 149158144

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, 2480, 2551, 3968, 4960, 5102, 7936, 9920, 10204, 12755, 19840, 20408, 25510, 39680, 40816, 51020, 79081, 81632, 102040, 158162, 163264, 204080, 316324, 326528, 395405, 408160, 632648, 653056, 790810, 816320, 1265296, 1581620, 1632640, 2530592, 3163240, 3265280, 5061184, 6326480, 10122368, 12652960, 20244736, 25305920, 50611840, 101223680]

約数ペア:

[(1, 101223680), (2, 50611840), (4, 25305920), (5, 20244736), (8, 12652960), (10, 10122368), (16, 6326480), (20, 5061184), (31, 3265280), (32, 3163240), (40, 2530592), (62, 1632640), (64, 1581620), (80, 1265296), (124, 816320), (128, 790810), (155, 653056), (160, 632648), (248, 408160), (256, 395405), (310, 326528), (320, 316324), (496, 204080), (620, 163264), (640, 158162), (992, 102040), (1240, 81632), (1280, 79081), (1984, 51020), (2480, 40816), (2551, 39680), (3968, 25510), (4960, 20408), (5102, 19840), (7936, 12755), (9920, 10204)]