55611920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7672

約数の個数: 80

約数和(自身を含む): 159156480

約数和(自身を除く): 103544560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 7639, 15278, 30556, 38195, 53473, 61112, 76390, 99307, 106946, 122224, 152780, 198614, 213892, 267365, 305560, 397228, 427784, 496535, 534730, 611120, 695149, 794456, 855568, 993070, 1069460, 1390298, 1588912, 1986140, 2138920, 2780596, 3475745, 3972280, 4277840, 5561192, 6951490, 7944560, 11122384, 13902980, 27805960, 55611920]

約数ペア:

[(1, 55611920), (2, 27805960), (4, 13902980), (5, 11122384), (7, 7944560), (8, 6951490), (10, 5561192), (13, 4277840), (14, 3972280), (16, 3475745), (20, 2780596), (26, 2138920), (28, 1986140), (35, 1588912), (40, 1390298), (52, 1069460), (56, 993070), (65, 855568), (70, 794456), (80, 695149), (91, 611120), (104, 534730), (112, 496535), (130, 427784), (140, 397228), (182, 305560), (208, 267365), (260, 213892), (280, 198614), (364, 152780), (455, 122224), (520, 106946), (560, 99307), (728, 76390), (910, 61112), (1040, 53473), (1456, 38195), (1820, 30556), (3640, 15278), (7280, 7639)]