205710880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75629}}^1$

素因数の和:75661

約数の個数: 48

約数和(自身を含む): 514586520

約数和(自身を除く): 308875640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 75629, 151258, 302516, 378145, 605032, 756290, 1210064, 1285693, 1512580, 2420128, 2571386, 3025160, 5142772, 6050320, 6428465, 10285544, 12100640, 12856930, 20571088, 25713860, 41142176, 51427720, 102855440, 205710880]

約数ペア:

[(1, 205710880), (2, 102855440), (4, 51427720), (5, 41142176), (8, 25713860), (10, 20571088), (16, 12856930), (17, 12100640), (20, 10285544), (32, 6428465), (34, 6050320), (40, 5142772), (68, 3025160), (80, 2571386), (85, 2420128), (136, 1512580), (160, 1285693), (170, 1210064), (272, 756290), (340, 605032), (544, 378145), (680, 302516), (1360, 151258), (2720, 75629)]