8831840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 22280832

約数和(自身を除く): 13448992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 191, 272, 289, 340, 382, 544, 578, 680, 764, 955, 1156, 1360, 1445, 1528, 1910, 2312, 2720, 2890, 3056, 3247, 3820, 4624, 5780, 6112, 6494, 7640, 9248, 11560, 12988, 15280, 16235, 23120, 25976, 30560, 32470, 46240, 51952, 55199, 64940, 103904, 110398, 129880, 220796, 259760, 275995, 441592, 519520, 551990, 883184, 1103980, 1766368, 2207960, 4415920, 8831840]

約数ペア:

[(1, 8831840), (2, 4415920), (4, 2207960), (5, 1766368), (8, 1103980), (10, 883184), (16, 551990), (17, 519520), (20, 441592), (32, 275995), (34, 259760), (40, 220796), (68, 129880), (80, 110398), (85, 103904), (136, 64940), (160, 55199), (170, 51952), (191, 46240), (272, 32470), (289, 30560), (340, 25976), (382, 23120), (544, 16235), (578, 15280), (680, 12988), (764, 11560), (955, 9248), (1156, 7640), (1360, 6494), (1445, 6112), (1528, 5780), (1910, 4624), (2312, 3820), (2720, 3247), (2890, 3056)]