39863980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 99066240

約数和(自身を除く): 59202260

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 311, 340, 377, 442, 493, 580, 622, 754, 884, 986, 1105, 1244, 1508, 1555, 1885, 1972, 2210, 2465, 3110, 3770, 4043, 4420, 4930, 5287, 6220, 6409, 7540, 8086, 9019, 9860, 10574, 12818, 16172, 18038, 20215, 21148, 25636, 26435, 32045, 36076, 40430, 45095, 52870, 64090, 68731, 80860, 90190, 105740, 117247, 128180, 137462, 153323, 180380, 234494, 274924, 306646, 343655, 468988, 586235, 613292, 687310, 766615, 1172470, 1374620, 1533230, 1993199, 2344940, 3066460, 3986398, 7972796, 9965995, 19931990, 39863980]

約数ペア:

[(1, 39863980), (2, 19931990), (4, 9965995), (5, 7972796), (10, 3986398), (13, 3066460), (17, 2344940), (20, 1993199), (26, 1533230), (29, 1374620), (34, 1172470), (52, 766615), (58, 687310), (65, 613292), (68, 586235), (85, 468988), (116, 343655), (130, 306646), (145, 274924), (170, 234494), (221, 180380), (260, 153323), (290, 137462), (311, 128180), (340, 117247), (377, 105740), (442, 90190), (493, 80860), (580, 68731), (622, 64090), (754, 52870), (884, 45095), (986, 40430), (1105, 36076), (1244, 32045), (1508, 26435), (1555, 25636), (1885, 21148), (1972, 20215), (2210, 18038), (2465, 16172), (3110, 12818), (3770, 10574), (4043, 9860), (4420, 9019), (4930, 8086), (5287, 7540), (6220, 6409)]