30420728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5519}}^1$

素因数の和:5591

約数の個数: 32

約数和(自身を含む): 62596800

約数和(自身を除く): 32176072

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 5519, 11038, 22076, 44152, 71747, 143494, 286988, 292507, 573976, 585014, 1170028, 2340056, 3802591, 7605182, 15210364, 30420728]

約数ペア:

[(1, 30420728), (2, 15210364), (4, 7605182), (8, 3802591), (13, 2340056), (26, 1170028), (52, 585014), (53, 573976), (104, 292507), (106, 286988), (212, 143494), (424, 71747), (689, 44152), (1378, 22076), (2756, 11038), (5512, 5519)]