63871840

素因数分解:

$2^5\times 5^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 151375392

約数和(自身を除く): 87503552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 617, 647, 1234, 1294, 2468, 2588, 3085, 3235, 4936, 5176, 6170, 6470, 9872, 10352, 12340, 12940, 19744, 20704, 24680, 25880, 49360, 51760, 98720, 103520, 399199, 798398, 1596796, 1995995, 3193592, 3991990, 6387184, 7983980, 12774368, 15967960, 31935920, 63871840]

約数ペア:

[(1, 63871840), (2, 31935920), (4, 15967960), (5, 12774368), (8, 7983980), (10, 6387184), (16, 3991990), (20, 3193592), (32, 1995995), (40, 1596796), (80, 798398), (160, 399199), (617, 103520), (647, 98720), (1234, 51760), (1294, 49360), (2468, 25880), (2588, 24680), (3085, 20704), (3235, 19744), (4936, 12940), (5176, 12340), (6170, 10352), (6470, 9872)]