82880440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121883}}^1$

素因数の和:121911

約数の個数: 32

約数和(自身を含む): 197452080

約数和(自身を除く): 114571640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 121883, 243766, 487532, 609415, 975064, 1218830, 2072011, 2437660, 4144022, 4875320, 8288044, 10360055, 16576088, 20720110, 41440220, 82880440]

約数ペア:

[(1, 82880440), (2, 41440220), (4, 20720110), (5, 16576088), (8, 10360055), (10, 8288044), (17, 4875320), (20, 4144022), (34, 2437660), (40, 2072011), (68, 1218830), (85, 975064), (136, 609415), (170, 487532), (340, 243766), (680, 121883)]