79740440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 195501600

約数和(自身を除く): 115761160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1723, 1780, 2314, 3446, 3560, 4628, 5785, 6892, 8615, 9256, 11570, 13784, 17230, 22399, 23140, 34460, 44798, 46280, 68920, 89596, 111995, 153347, 179192, 223990, 306694, 447980, 613388, 766735, 895960, 1226776, 1533470, 1993511, 3066940, 3987022, 6133880, 7974044, 9967555, 15948088, 19935110, 39870220, 79740440]

約数ペア:

[(1, 79740440), (2, 39870220), (4, 19935110), (5, 15948088), (8, 9967555), (10, 7974044), (13, 6133880), (20, 3987022), (26, 3066940), (40, 1993511), (52, 1533470), (65, 1226776), (89, 895960), (104, 766735), (130, 613388), (178, 447980), (260, 306694), (356, 223990), (445, 179192), (520, 153347), (712, 111995), (890, 89596), (1157, 68920), (1723, 46280), (1780, 44798), (2314, 34460), (3446, 23140), (3560, 22399), (4628, 17230), (5785, 13784), (6892, 11570), (8615, 9256)]