88419890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40009}}^1$

素因数の和:40046

約数の個数: 32

約数和(自身を含む): 181485360

約数和(自身を除く): 93065470

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 40009, 80018, 200045, 400090, 520117, 680153, 1040234, 1360306, 2600585, 3400765, 5201170, 6801530, 8841989, 17683978, 44209945, 88419890]

約数ペア:

[(1, 88419890), (2, 44209945), (5, 17683978), (10, 8841989), (13, 6801530), (17, 5201170), (26, 3400765), (34, 2600585), (65, 1360306), (85, 1040234), (130, 680153), (170, 520117), (221, 400090), (442, 200045), (1105, 80018), (2210, 40009)]