31928720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 60

約数和(自身を含む): 78914964

約数和(自身を除く): 46986244

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1381, 1445, 2312, 2762, 2890, 4624, 5524, 5780, 6905, 11048, 11560, 13810, 22096, 23120, 23477, 27620, 46954, 55240, 93908, 110480, 117385, 187816, 234770, 375632, 399109, 469540, 798218, 939080, 1596436, 1878160, 1995545, 3192872, 3991090, 6385744, 7982180, 15964360, 31928720]

約数ペア:

[(1, 31928720), (2, 15964360), (4, 7982180), (5, 6385744), (8, 3991090), (10, 3192872), (16, 1995545), (17, 1878160), (20, 1596436), (34, 939080), (40, 798218), (68, 469540), (80, 399109), (85, 375632), (136, 234770), (170, 187816), (272, 117385), (289, 110480), (340, 93908), (578, 55240), (680, 46954), (1156, 27620), (1360, 23477), (1381, 23120), (1445, 22096), (2312, 13810), (2762, 11560), (2890, 11048), (4624, 6905), (5524, 5780)]