201280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 56

約数和(自身を含む): 521208

約数和(自身を除く): 319928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 320, 340, 370, 544, 592, 629, 680, 740, 1088, 1184, 1258, 1360, 1480, 2368, 2516, 2720, 2960, 3145, 5032, 5440, 5920, 6290, 10064, 11840, 12580, 20128, 25160, 40256, 50320, 100640, 201280]

約数ペア:

[(1, 201280), (2, 100640), (4, 50320), (5, 40256), (8, 25160), (10, 20128), (16, 12580), (17, 11840), (20, 10064), (32, 6290), (34, 5920), (37, 5440), (40, 5032), (64, 3145), (68, 2960), (74, 2720), (80, 2516), (85, 2368), (136, 1480), (148, 1360), (160, 1258), (170, 1184), (185, 1088), (272, 740), (296, 680), (320, 629), (340, 592), (370, 544)]