13902980

素因数分解:

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

素因数の和:7668

約数の個数: 48

約数和(自身を含む): 35938560

約数和(自身を除く): 22035580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7639, 15278, 30556, 38195, 53473, 76390, 99307, 106946, 152780, 198614, 213892, 267365, 397228, 496535, 534730, 695149, 993070, 1069460, 1390298, 1986140, 2780596, 3475745, 6951490, 13902980]

約数ペア:

[(1, 13902980), (2, 6951490), (4, 3475745), (5, 2780596), (7, 1986140), (10, 1390298), (13, 1069460), (14, 993070), (20, 695149), (26, 534730), (28, 496535), (35, 397228), (52, 267365), (65, 213892), (70, 198614), (91, 152780), (130, 106946), (140, 99307), (182, 76390), (260, 53473), (364, 38195), (455, 30556), (910, 15278), (1820, 7639)]