15633440

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 21561760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 491, 796, 982, 995, 1592, 1964, 1990, 2455, 3184, 3928, 3980, 4910, 6368, 7856, 7960, 9820, 15712, 15920, 19640, 31840, 39280, 78560, 97709, 195418, 390836, 488545, 781672, 977090, 1563344, 1954180, 3126688, 3908360, 7816720, 15633440]

約数ペア:

[(1, 15633440), (2, 7816720), (4, 3908360), (5, 3126688), (8, 1954180), (10, 1563344), (16, 977090), (20, 781672), (32, 488545), (40, 390836), (80, 195418), (160, 97709), (199, 78560), (398, 39280), (491, 31840), (796, 19640), (982, 15920), (995, 15712), (1592, 9820), (1964, 7960), (1990, 7856), (2455, 6368), (3184, 4910), (3928, 3980)]