79419520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4053

約数の個数: 64

約数和(自身を含む): 196035840

約数和(自身を除く): 116616320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4003, 4960, 8006, 9920, 16012, 19840, 20015, 32024, 40030, 64048, 80060, 124093, 128096, 160120, 248186, 256192, 320240, 496372, 512384, 620465, 640480, 992744, 1240930, 1280960, 1985488, 2481860, 2561920, 3970976, 4963720, 7941952, 9927440, 15883904, 19854880, 39709760, 79419520]

約数ペア:

[(1, 79419520), (2, 39709760), (4, 19854880), (5, 15883904), (8, 9927440), (10, 7941952), (16, 4963720), (20, 3970976), (31, 2561920), (32, 2481860), (40, 1985488), (62, 1280960), (64, 1240930), (80, 992744), (124, 640480), (128, 620465), (155, 512384), (160, 496372), (248, 320240), (310, 256192), (320, 248186), (496, 160120), (620, 128096), (640, 124093), (992, 80060), (1240, 64048), (1984, 40030), (2480, 32024), (3968, 20015), (4003, 19840), (4960, 16012), (8006, 9920)]