90267040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18199}}^1$

素因数の和:18245

約数の個数: 48

約数和(自身を含む): 220147200

約数和(自身を除く): 129880160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18199, 36398, 72796, 90995, 145592, 181990, 291184, 363980, 564169, 582368, 727960, 1128338, 1455920, 2256676, 2820845, 2911840, 4513352, 5641690, 9026704, 11283380, 18053408, 22566760, 45133520, 90267040]

約数ペア:

[(1, 90267040), (2, 45133520), (4, 22566760), (5, 18053408), (8, 11283380), (10, 9026704), (16, 5641690), (20, 4513352), (31, 2911840), (32, 2820845), (40, 2256676), (62, 1455920), (80, 1128338), (124, 727960), (155, 582368), (160, 564169), (248, 363980), (310, 291184), (496, 181990), (620, 145592), (992, 90995), (1240, 72796), (2480, 36398), (4960, 18199)]