39895220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 86900688

約数和(自身を除く): 47005468

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 530, 610, 617, 1060, 1220, 1234, 2468, 3085, 3233, 6170, 6466, 12340, 12932, 16165, 32330, 32701, 37637, 64660, 65402, 75274, 130804, 150548, 163505, 188185, 327010, 376370, 654020, 752740, 1994761, 3989522, 7979044, 9973805, 19947610, 39895220]

約数ペア:

[(1, 39895220), (2, 19947610), (4, 9973805), (5, 7979044), (10, 3989522), (20, 1994761), (53, 752740), (61, 654020), (106, 376370), (122, 327010), (212, 188185), (244, 163505), (265, 150548), (305, 130804), (530, 75274), (610, 65402), (617, 64660), (1060, 37637), (1220, 32701), (1234, 32330), (2468, 16165), (3085, 12932), (3233, 12340), (6170, 6466)]