72020440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^2$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 167970240

約数和(自身を除く): 95949800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 241, 248, 310, 482, 620, 964, 1205, 1240, 1928, 2410, 4820, 7471, 9640, 14942, 29884, 37355, 58081, 59768, 74710, 116162, 149420, 232324, 290405, 298840, 464648, 580810, 1161620, 1800511, 2323240, 3601022, 7202044, 9002555, 14404088, 18005110, 36010220, 72020440]

約数ペア:

[(1, 72020440), (2, 36010220), (4, 18005110), (5, 14404088), (8, 9002555), (10, 7202044), (20, 3601022), (31, 2323240), (40, 1800511), (62, 1161620), (124, 580810), (155, 464648), (241, 298840), (248, 290405), (310, 232324), (482, 149420), (620, 116162), (964, 74710), (1205, 59768), (1240, 58081), (1928, 37355), (2410, 29884), (4820, 14942), (7471, 9640)]