201465920

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10321}}^1$

素因数の和:10399

約数の個数: 56

約数和(自身を含む): 487652568

約数和(自身を除く): 286186648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 10321, 19520, 20642, 41284, 51605, 82568, 103210, 165136, 206420, 330272, 412840, 629581, 660544, 825680, 1259162, 1651360, 2518324, 3147905, 3302720, 5036648, 6295810, 10073296, 12591620, 20146592, 25183240, 40293184, 50366480, 100732960, 201465920]

約数ペア:

[(1, 201465920), (2, 100732960), (4, 50366480), (5, 40293184), (8, 25183240), (10, 20146592), (16, 12591620), (20, 10073296), (32, 6295810), (40, 5036648), (61, 3302720), (64, 3147905), (80, 2518324), (122, 1651360), (160, 1259162), (244, 825680), (305, 660544), (320, 629581), (488, 412840), (610, 330272), (976, 206420), (1220, 165136), (1952, 103210), (2440, 82568), (3904, 51605), (4880, 41284), (9760, 20642), (10321, 19520)]