47131960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 112492800

約数和(自身を除く): 65360840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 991, 1160, 1189, 1640, 1982, 2378, 3964, 4756, 4955, 5945, 7928, 9512, 9910, 11890, 19820, 23780, 28739, 39640, 40631, 47560, 57478, 81262, 114956, 143695, 162524, 203155, 229912, 287390, 325048, 406310, 574780, 812620, 1149560, 1178299, 1625240, 2356598, 4713196, 5891495, 9426392, 11782990, 23565980, 47131960]

約数ペア:

[(1, 47131960), (2, 23565980), (4, 11782990), (5, 9426392), (8, 5891495), (10, 4713196), (20, 2356598), (29, 1625240), (40, 1178299), (41, 1149560), (58, 812620), (82, 574780), (116, 406310), (145, 325048), (164, 287390), (205, 229912), (232, 203155), (290, 162524), (328, 143695), (410, 114956), (580, 81262), (820, 57478), (991, 47560), (1160, 40631), (1189, 39640), (1640, 28739), (1982, 23780), (2378, 19820), (3964, 11890), (4756, 9910), (4955, 9512), (5945, 7928)]