204041717720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3221}}^1\times {\mathrm{8039}}^1$

素因数の和:11468

約数の個数: 64

約数和(自身を含む): 461624961600

約数和(自身を除く): 257583243880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3221, 3940, 6442, 7880, 8039, 12884, 16078, 16105, 25768, 32156, 32210, 40195, 64312, 64420, 80390, 128840, 160780, 321560, 634537, 1269074, 1583683, 2538148, 3167366, 3172685, 5076296, 6334732, 6345370, 7918415, 12669464, 12690740, 15836830, 25381480, 25893619, 31673660, 51787238, 63347320, 103574476, 129468095, 207148952, 258936190, 517872380, 1035744760, 5101042943, 10202085886, 20404171772, 25505214715, 40808343544, 51010429430, 102020858860, 204041717720]

約数ペア:

[(1, 204041717720), (2, 102020858860), (4, 51010429430), (5, 40808343544), (8, 25505214715), (10, 20404171772), (20, 10202085886), (40, 5101042943), (197, 1035744760), (394, 517872380), (788, 258936190), (985, 207148952), (1576, 129468095), (1970, 103574476), (3221, 63347320), (3940, 51787238), (6442, 31673660), (7880, 25893619), (8039, 25381480), (12884, 15836830), (16078, 12690740), (16105, 12669464), (25768, 7918415), (32156, 6345370), (32210, 6334732), (40195, 5076296), (64312, 3172685), (64420, 3167366), (80390, 2538148), (128840, 1583683), (160780, 1269074), (321560, 634537)]