2021172920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{58013}}^1$

素因数の和:58104

約数の個数: 64

約数和(自身を含む): 4970639520

約数和(自身を除く): 2949466600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 34840, 58013, 116026, 232052, 290065, 464104, 580130, 754169, 1160260, 1508338, 2320520, 3016676, 3770845, 3886871, 6033352, 7541690, 7773742, 15083380, 15547484, 19434355, 30166760, 31094968, 38868710, 50529323, 77737420, 101058646, 155474840, 202117292, 252646615, 404234584, 505293230, 1010586460, 2021172920]

約数ペア:

[(1, 2021172920), (2, 1010586460), (4, 505293230), (5, 404234584), (8, 252646615), (10, 202117292), (13, 155474840), (20, 101058646), (26, 77737420), (40, 50529323), (52, 38868710), (65, 31094968), (67, 30166760), (104, 19434355), (130, 15547484), (134, 15083380), (260, 7773742), (268, 7541690), (335, 6033352), (520, 3886871), (536, 3770845), (670, 3016676), (871, 2320520), (1340, 1508338), (1742, 1160260), (2680, 754169), (3484, 580130), (4355, 464104), (6968, 290065), (8710, 232052), (17420, 116026), (34840, 58013)]