2098981760

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8431}}^1$

素因数の和:8839

約数の個数: 64

約数和(自身を含む): 5031374400

約数和(自身を除く): 2932392640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1556, 1945, 3112, 3890, 6224, 7780, 8431, 12448, 15560, 16862, 24896, 31120, 33724, 42155, 49792, 62240, 67448, 84310, 124480, 134896, 168620, 248960, 269792, 337240, 539584, 674480, 1079168, 1348960, 2697920, 3279659, 5395840, 6559318, 13118636, 16398295, 26237272, 32796590, 52474544, 65593180, 104949088, 131186360, 209898176, 262372720, 419796352, 524745440, 1049490880, 2098981760]

約数ペア:

[(1, 2098981760), (2, 1049490880), (4, 524745440), (5, 419796352), (8, 262372720), (10, 209898176), (16, 131186360), (20, 104949088), (32, 65593180), (40, 52474544), (64, 32796590), (80, 26237272), (128, 16398295), (160, 13118636), (320, 6559318), (389, 5395840), (640, 3279659), (778, 2697920), (1556, 1348960), (1945, 1079168), (3112, 674480), (3890, 539584), (6224, 337240), (7780, 269792), (8431, 248960), (12448, 168620), (15560, 134896), (16862, 124480), (24896, 84310), (31120, 67448), (33724, 62240), (42155, 49792)]