18440129240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{62323}}^1$

素因数の和:62916

約数の個数: 64

約数和(自身を含む): 44761096800

約数和(自身を除く): 26320967560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 569, 1138, 2276, 2845, 4552, 5690, 7397, 11380, 14794, 22760, 29588, 36985, 59176, 62323, 73970, 124646, 147940, 249292, 295880, 311615, 498584, 623230, 810199, 1246460, 1620398, 2492920, 3240796, 4050995, 6481592, 8101990, 16203980, 32407960, 35461787, 70923574, 141847148, 177308935, 283694296, 354617870, 461003231, 709235740, 922006462, 1418471480, 1844012924, 2305016155, 3688025848, 4610032310, 9220064620, 18440129240]

約数ペア:

[(1, 18440129240), (2, 9220064620), (4, 4610032310), (5, 3688025848), (8, 2305016155), (10, 1844012924), (13, 1418471480), (20, 922006462), (26, 709235740), (40, 461003231), (52, 354617870), (65, 283694296), (104, 177308935), (130, 141847148), (260, 70923574), (520, 35461787), (569, 32407960), (1138, 16203980), (2276, 8101990), (2845, 6481592), (4552, 4050995), (5690, 3240796), (7397, 2492920), (11380, 1620398), (14794, 1246460), (22760, 810199), (29588, 623230), (36985, 498584), (59176, 311615), (62323, 295880), (73970, 249292), (124646, 147940)]