165760880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121883}}^1$

素因数の和:121913

約数の個数: 40

約数和(自身を含む): 408067632

約数和(自身を除く): 242306752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 121883, 243766, 487532, 609415, 975064, 1218830, 1950128, 2072011, 2437660, 4144022, 4875320, 8288044, 9750640, 10360055, 16576088, 20720110, 33152176, 41440220, 82880440, 165760880]

約数ペア:

[(1, 165760880), (2, 82880440), (4, 41440220), (5, 33152176), (8, 20720110), (10, 16576088), (16, 10360055), (17, 9750640), (20, 8288044), (34, 4875320), (40, 4144022), (68, 2437660), (80, 2072011), (85, 1950128), (136, 1218830), (170, 975064), (272, 609415), (340, 487532), (680, 243766), (1360, 121883)]