40139680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{35839}}^1$

素因数の和:35861

約数の個数: 48

約数和(自身を含む): 108380160

約数和(自身を除く): 68240480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 35839, 71678, 143356, 179195, 250873, 286712, 358390, 501746, 573424, 716780, 1003492, 1146848, 1254365, 1433560, 2006984, 2508730, 2867120, 4013968, 5017460, 5734240, 8027936, 10034920, 20069840, 40139680]

約数ペア:

[(1, 40139680), (2, 20069840), (4, 10034920), (5, 8027936), (7, 5734240), (8, 5017460), (10, 4013968), (14, 2867120), (16, 2508730), (20, 2006984), (28, 1433560), (32, 1254365), (35, 1146848), (40, 1003492), (56, 716780), (70, 573424), (80, 501746), (112, 358390), (140, 286712), (160, 250873), (224, 179195), (280, 143356), (560, 71678), (1120, 35839)]