125584720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 305694720

約数和(自身を除く): 180110000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 641, 790, 1240, 1264, 1282, 1580, 2449, 2480, 2564, 3160, 3205, 4898, 5128, 6320, 6410, 9796, 10256, 12245, 12820, 19592, 19871, 24490, 25640, 39184, 39742, 48980, 50639, 51280, 79484, 97960, 99355, 101278, 158968, 195920, 198710, 202556, 253195, 317936, 397420, 405112, 506390, 794840, 810224, 1012780, 1569809, 1589680, 2025560, 3139618, 4051120, 6279236, 7849045, 12558472, 15698090, 25116944, 31396180, 62792360, 125584720]

約数ペア:

[(1, 125584720), (2, 62792360), (4, 31396180), (5, 25116944), (8, 15698090), (10, 12558472), (16, 7849045), (20, 6279236), (31, 4051120), (40, 3139618), (62, 2025560), (79, 1589680), (80, 1569809), (124, 1012780), (155, 810224), (158, 794840), (248, 506390), (310, 405112), (316, 397420), (395, 317936), (496, 253195), (620, 202556), (632, 198710), (641, 195920), (790, 158968), (1240, 101278), (1264, 99355), (1282, 97960), (1580, 79484), (2449, 51280), (2480, 50639), (2564, 48980), (3160, 39742), (3205, 39184), (4898, 25640), (5128, 24490), (6320, 19871), (6410, 19592), (9796, 12820), (10256, 12245)]