9903440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 23331840

約数和(自身を除く): 13428400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1567, 1580, 3134, 3160, 6268, 6320, 7835, 12536, 15670, 25072, 31340, 62680, 123793, 125360, 247586, 495172, 618965, 990344, 1237930, 1980688, 2475860, 4951720, 9903440]

約数ペア:

[(1, 9903440), (2, 4951720), (4, 2475860), (5, 1980688), (8, 1237930), (10, 990344), (16, 618965), (20, 495172), (40, 247586), (79, 125360), (80, 123793), (158, 62680), (316, 31340), (395, 25072), (632, 15670), (790, 12536), (1264, 7835), (1567, 6320), (1580, 6268), (3134, 3160)]