31865340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40853}}^1$

素因数の和:40878

約数の個数: 48

約数和(自身を含む): 96088608

約数和(自身を除く): 64223268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40853, 81706, 122559, 163412, 204265, 245118, 408530, 490236, 531089, 612795, 817060, 1062178, 1225590, 1593267, 2124356, 2451180, 2655445, 3186534, 5310890, 6373068, 7966335, 10621780, 15932670, 31865340]

約数ペア:

[(1, 31865340), (2, 15932670), (3, 10621780), (4, 7966335), (5, 6373068), (6, 5310890), (10, 3186534), (12, 2655445), (13, 2451180), (15, 2124356), (20, 1593267), (26, 1225590), (30, 1062178), (39, 817060), (52, 612795), (60, 531089), (65, 490236), (78, 408530), (130, 245118), (156, 204265), (195, 163412), (260, 122559), (390, 81706), (780, 40853)]