91457440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18439}}^1$

素因数の和:18485

約数の個数: 48

約数和(自身を含む): 223050240

約数和(自身を除く): 131592800

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, 18439, 36878, 73756, 92195, 147512, 184390, 295024, 368780, 571609, 590048, 737560, 1143218, 1475120, 2286436, 2858045, 2950240, 4572872, 5716090, 9145744, 11432180, 18291488, 22864360, 45728720, 91457440]

約数ペア:

[(1, 91457440), (2, 45728720), (4, 22864360), (5, 18291488), (8, 11432180), (10, 9145744), (16, 5716090), (20, 4572872), (31, 2950240), (32, 2858045), (40, 2286436), (62, 1475120), (80, 1143218), (124, 737560), (155, 590048), (160, 571609), (248, 368780), (310, 295024), (496, 184390), (620, 147512), (992, 92195), (1240, 73756), (2480, 36878), (4960, 18439)]