42543280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2198

約数の個数: 80

約数和(自身を含む): 112180320

約数和(自身を除く): 69637040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2153, 2470, 3952, 4306, 4940, 8612, 9880, 10765, 17224, 19760, 21530, 27989, 34448, 40907, 43060, 55978, 81814, 86120, 111956, 139945, 163628, 172240, 204535, 223912, 279890, 327256, 409070, 447824, 531791, 559780, 654512, 818140, 1063582, 1119560, 1636280, 2127164, 2239120, 2658955, 3272560, 4254328, 5317910, 8508656, 10635820, 21271640, 42543280]

約数ペア:

[(1, 42543280), (2, 21271640), (4, 10635820), (5, 8508656), (8, 5317910), (10, 4254328), (13, 3272560), (16, 2658955), (19, 2239120), (20, 2127164), (26, 1636280), (38, 1119560), (40, 1063582), (52, 818140), (65, 654512), (76, 559780), (80, 531791), (95, 447824), (104, 409070), (130, 327256), (152, 279890), (190, 223912), (208, 204535), (247, 172240), (260, 163628), (304, 139945), (380, 111956), (494, 86120), (520, 81814), (760, 55978), (988, 43060), (1040, 40907), (1235, 34448), (1520, 27989), (1976, 21530), (2153, 19760), (2470, 17224), (3952, 10765), (4306, 9880), (4940, 8612)]