61775740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4483}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 142375968

約数和(自身を除く): 80600228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 4483, 6890, 8966, 13780, 17932, 22415, 44830, 58279, 89660, 116558, 233116, 237599, 291395, 475198, 582790, 950396, 1165580, 1187995, 2375990, 3088787, 4751980, 6177574, 12355148, 15443935, 30887870, 61775740]

約数ペア:

[(1, 61775740), (2, 30887870), (4, 15443935), (5, 12355148), (10, 6177574), (13, 4751980), (20, 3088787), (26, 2375990), (52, 1187995), (53, 1165580), (65, 950396), (106, 582790), (130, 475198), (212, 291395), (260, 237599), (265, 233116), (530, 116558), (689, 89660), (1060, 58279), (1378, 44830), (2756, 22415), (3445, 17932), (4483, 13780), (6890, 8966)]