31324880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 79709184

約数和(自身を除く): 48384304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 743, 1054, 1240, 1360, 1486, 2108, 2480, 2635, 2972, 3715, 4216, 5270, 5944, 7430, 8432, 10540, 11888, 12631, 14860, 21080, 23033, 25262, 29720, 42160, 46066, 50524, 59440, 63155, 92132, 101048, 115165, 126310, 184264, 202096, 230330, 252620, 368528, 391561, 460660, 505240, 783122, 921320, 1010480, 1566244, 1842640, 1957805, 3132488, 3915610, 6264976, 7831220, 15662440, 31324880]

約数ペア:

[(1, 31324880), (2, 15662440), (4, 7831220), (5, 6264976), (8, 3915610), (10, 3132488), (16, 1957805), (17, 1842640), (20, 1566244), (31, 1010480), (34, 921320), (40, 783122), (62, 505240), (68, 460660), (80, 391561), (85, 368528), (124, 252620), (136, 230330), (155, 202096), (170, 184264), (248, 126310), (272, 115165), (310, 101048), (340, 92132), (496, 63155), (527, 59440), (620, 50524), (680, 46066), (743, 42160), (1054, 29720), (1240, 25262), (1360, 23033), (1486, 21080), (2108, 14860), (2480, 12631), (2635, 11888), (2972, 10540), (3715, 8432), (4216, 7430), (5270, 5944)]