1640883940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{5003}}^1$

素因数の和:5089

約数の個数: 72

約数和(自身を含む): 3719132928

約数和(自身を除く): 2078248988

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 529, 620, 713, 1058, 1426, 2116, 2645, 2852, 3565, 5003, 5290, 7130, 10006, 10580, 14260, 16399, 20012, 25015, 32798, 50030, 65596, 81995, 100060, 115069, 155093, 163990, 230138, 310186, 327980, 460276, 575345, 620372, 775465, 1150690, 1550930, 2301380, 2646587, 3101860, 3567139, 5293174, 7134278, 10586348, 13232935, 14268556, 17835695, 26465870, 35671390, 52931740, 71342780, 82044197, 164088394, 328176788, 410220985, 820441970, 1640883940]

約数ペア:

[(1, 1640883940), (2, 820441970), (4, 410220985), (5, 328176788), (10, 164088394), (20, 82044197), (23, 71342780), (31, 52931740), (46, 35671390), (62, 26465870), (92, 17835695), (115, 14268556), (124, 13232935), (155, 10586348), (230, 7134278), (310, 5293174), (460, 3567139), (529, 3101860), (620, 2646587), (713, 2301380), (1058, 1550930), (1426, 1150690), (2116, 775465), (2645, 620372), (2852, 575345), (3565, 460276), (5003, 327980), (5290, 310186), (7130, 230138), (10006, 163990), (10580, 155093), (14260, 115069), (16399, 100060), (20012, 81995), (25015, 65596), (32798, 50030)]