66167440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20173}}^1$

素因数の和:20227

約数の個数: 40

約数和(自身を含む): 157599288

約数和(自身を除く): 91431848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20173, 40346, 80692, 100865, 161384, 201730, 322768, 403460, 806920, 827093, 1613840, 1654186, 3308372, 4135465, 6616744, 8270930, 13233488, 16541860, 33083720, 66167440]

約数ペア:

[(1, 66167440), (2, 33083720), (4, 16541860), (5, 13233488), (8, 8270930), (10, 6616744), (16, 4135465), (20, 3308372), (40, 1654186), (41, 1613840), (80, 827093), (82, 806920), (164, 403460), (205, 322768), (328, 201730), (410, 161384), (656, 100865), (820, 80692), (1640, 40346), (3280, 20173)]