31037240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3511}}^1$

素因数の和:3552

約数の個数: 64

約数和(自身を含む): 79652160

約数和(自身を除く): 48614920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 3511, 4420, 7022, 8840, 14044, 17555, 28088, 35110, 45643, 59687, 70220, 91286, 119374, 140440, 182572, 228215, 238748, 298435, 365144, 456430, 477496, 596870, 775931, 912860, 1193740, 1551862, 1825720, 2387480, 3103724, 3879655, 6207448, 7759310, 15518620, 31037240]

約数ペア:

[(1, 31037240), (2, 15518620), (4, 7759310), (5, 6207448), (8, 3879655), (10, 3103724), (13, 2387480), (17, 1825720), (20, 1551862), (26, 1193740), (34, 912860), (40, 775931), (52, 596870), (65, 477496), (68, 456430), (85, 365144), (104, 298435), (130, 238748), (136, 228215), (170, 182572), (221, 140440), (260, 119374), (340, 91286), (442, 70220), (520, 59687), (680, 45643), (884, 35110), (1105, 28088), (1768, 17555), (2210, 14044), (3511, 8840), (4420, 7022)]