85147520

素因数分解:

$2^7\times 5^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 204787440

約数和(自身を除く): 119639920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 320, 466, 571, 640, 932, 1142, 1165, 1864, 2284, 2330, 2855, 3728, 4568, 4660, 5710, 7456, 9136, 9320, 11420, 14912, 18272, 18640, 22840, 29824, 36544, 37280, 45680, 73088, 74560, 91360, 133043, 149120, 182720, 266086, 365440, 532172, 665215, 1064344, 1330430, 2128688, 2660860, 4257376, 5321720, 8514752, 10643440, 17029504, 21286880, 42573760, 85147520]

約数ペア:

[(1, 85147520), (2, 42573760), (4, 21286880), (5, 17029504), (8, 10643440), (10, 8514752), (16, 5321720), (20, 4257376), (32, 2660860), (40, 2128688), (64, 1330430), (80, 1064344), (128, 665215), (160, 532172), (233, 365440), (320, 266086), (466, 182720), (571, 149120), (640, 133043), (932, 91360), (1142, 74560), (1165, 73088), (1864, 45680), (2284, 37280), (2330, 36544), (2855, 29824), (3728, 22840), (4568, 18640), (4660, 18272), (5710, 14912), (7456, 11420), (9136, 9320)]