55643380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12589}}^1$

素因数の和:12628

約数の個数: 48

約数和(自身を含む): 133252560

約数和(自身を除く): 77609180

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 12589, 25178, 50356, 62945, 125890, 163657, 214013, 251780, 327314, 428026, 654628, 818285, 856052, 1070065, 1636570, 2140130, 2782169, 3273140, 4280260, 5564338, 11128676, 13910845, 27821690, 55643380]

約数ペア:

[(1, 55643380), (2, 27821690), (4, 13910845), (5, 11128676), (10, 5564338), (13, 4280260), (17, 3273140), (20, 2782169), (26, 2140130), (34, 1636570), (52, 1070065), (65, 856052), (68, 818285), (85, 654628), (130, 428026), (170, 327314), (221, 251780), (260, 214013), (340, 163657), (442, 125890), (884, 62945), (1105, 50356), (2210, 25178), (4420, 12589)]