201024980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9787}}^1$

素因数の和:9888

約数の個数: 48

約数和(自身を含む): 460427520

約数和(自身を除く): 259402540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 9787, 10270, 19574, 20540, 39148, 48935, 97870, 127231, 195740, 254462, 508924, 636155, 773173, 1272310, 1546346, 2544620, 3092692, 3865865, 7731730, 10051249, 15463460, 20102498, 40204996, 50256245, 100512490, 201024980]

約数ペア:

[(1, 201024980), (2, 100512490), (4, 50256245), (5, 40204996), (10, 20102498), (13, 15463460), (20, 10051249), (26, 7731730), (52, 3865865), (65, 3092692), (79, 2544620), (130, 1546346), (158, 1272310), (260, 773173), (316, 636155), (395, 508924), (790, 254462), (1027, 195740), (1580, 127231), (2054, 97870), (4108, 48935), (5135, 39148), (9787, 20540), (10270, 19574)]