87874460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 191557632

約数和(自身を除く): 103683172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 523, 542, 620, 1046, 1084, 1355, 2092, 2615, 2710, 5230, 5420, 8401, 10460, 16213, 16802, 32426, 33604, 42005, 64852, 81065, 84010, 141733, 162130, 168020, 283466, 324260, 566932, 708665, 1417330, 2834660, 4393723, 8787446, 17574892, 21968615, 43937230, 87874460]

約数ペア:

[(1, 87874460), (2, 43937230), (4, 21968615), (5, 17574892), (10, 8787446), (20, 4393723), (31, 2834660), (62, 1417330), (124, 708665), (155, 566932), (271, 324260), (310, 283466), (523, 168020), (542, 162130), (620, 141733), (1046, 84010), (1084, 81065), (1355, 64852), (2092, 42005), (2615, 33604), (2710, 32426), (5230, 16802), (5420, 16213), (8401, 10460)]