16488575120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{6709}}^1$

素因数の和:7744

約数の個数: 80

約数和(自身を含む): 39618416640

約数和(自身を除く): 23129841520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 991, 1240, 1982, 2480, 3964, 4955, 6709, 7928, 9910, 13418, 15856, 19820, 26836, 30721, 33545, 39640, 53672, 61442, 67090, 79280, 107344, 122884, 134180, 153605, 207979, 245768, 268360, 307210, 415958, 491536, 536720, 614420, 831916, 1039895, 1228840, 1663832, 2079790, 2457680, 3327664, 4159580, 6648619, 8319160, 13297238, 16638320, 26594476, 33243095, 53188952, 66486190, 106377904, 132972380, 206107189, 265944760, 412214378, 531889520, 824428756, 1030535945, 1648857512, 2061071890, 3297715024, 4122143780, 8244287560, 16488575120]

約数ペア:

[(1, 16488575120), (2, 8244287560), (4, 4122143780), (5, 3297715024), (8, 2061071890), (10, 1648857512), (16, 1030535945), (20, 824428756), (31, 531889520), (40, 412214378), (62, 265944760), (80, 206107189), (124, 132972380), (155, 106377904), (248, 66486190), (310, 53188952), (496, 33243095), (620, 26594476), (991, 16638320), (1240, 13297238), (1982, 8319160), (2480, 6648619), (3964, 4159580), (4955, 3327664), (6709, 2457680), (7928, 2079790), (9910, 1663832), (13418, 1228840), (15856, 1039895), (19820, 831916), (26836, 614420), (30721, 536720), (33545, 491536), (39640, 415958), (53672, 307210), (61442, 268360), (67090, 245768), (79280, 207979), (107344, 153605), (122884, 134180)]