55269890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 115123680

約数和(自身を除く): 59853790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 89, 130, 170, 178, 221, 281, 442, 445, 562, 890, 1105, 1157, 1405, 1513, 2210, 2314, 2810, 3026, 3653, 4777, 5785, 7306, 7565, 9554, 11570, 15130, 18265, 19669, 23885, 25009, 36530, 39338, 47770, 50018, 62101, 98345, 124202, 125045, 196690, 250090, 310505, 325117, 425153, 621010, 650234, 850306, 1625585, 2125765, 3251170, 4251530, 5526989, 11053978, 27634945, 55269890]

約数ペア:

[(1, 55269890), (2, 27634945), (5, 11053978), (10, 5526989), (13, 4251530), (17, 3251170), (26, 2125765), (34, 1625585), (65, 850306), (85, 650234), (89, 621010), (130, 425153), (170, 325117), (178, 310505), (221, 250090), (281, 196690), (442, 125045), (445, 124202), (562, 98345), (890, 62101), (1105, 50018), (1157, 47770), (1405, 39338), (1513, 36530), (2210, 25009), (2314, 23885), (2810, 19669), (3026, 18265), (3653, 15130), (4777, 11570), (5785, 9554), (7306, 7565)]