28775440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 70995456

約数和(自身を除く): 42220016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 283, 310, 328, 410, 496, 566, 620, 656, 820, 1132, 1240, 1271, 1415, 1640, 2264, 2480, 2542, 2830, 3280, 4528, 5084, 5660, 6355, 8773, 10168, 11320, 11603, 12710, 17546, 20336, 22640, 23206, 25420, 35092, 43865, 46412, 50840, 58015, 70184, 87730, 92824, 101680, 116030, 140368, 175460, 185648, 232060, 350920, 359693, 464120, 701840, 719386, 928240, 1438772, 1798465, 2877544, 3596930, 5755088, 7193860, 14387720, 28775440]

約数ペア:

[(1, 28775440), (2, 14387720), (4, 7193860), (5, 5755088), (8, 3596930), (10, 2877544), (16, 1798465), (20, 1438772), (31, 928240), (40, 719386), (41, 701840), (62, 464120), (80, 359693), (82, 350920), (124, 232060), (155, 185648), (164, 175460), (205, 140368), (248, 116030), (283, 101680), (310, 92824), (328, 87730), (410, 70184), (496, 58015), (566, 50840), (620, 46412), (656, 43865), (820, 35092), (1132, 25420), (1240, 23206), (1271, 22640), (1415, 20336), (1640, 17546), (2264, 12710), (2480, 11603), (2542, 11320), (2830, 10168), (3280, 8773), (4528, 6355), (5084, 5660)]