64875520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{12671}}^1$

素因数の和:12696

約数の個数: 44

約数和(自身を含む): 155637504

約数和(自身を除く): 90761984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 12671, 25342, 50684, 63355, 101368, 126710, 202736, 253420, 405472, 506840, 810944, 1013680, 1621888, 2027360, 3243776, 4054720, 6487552, 8109440, 12975104, 16218880, 32437760, 64875520]

約数ペア:

[(1, 64875520), (2, 32437760), (4, 16218880), (5, 12975104), (8, 8109440), (10, 6487552), (16, 4054720), (20, 3243776), (32, 2027360), (40, 1621888), (64, 1013680), (80, 810944), (128, 506840), (160, 405472), (256, 253420), (320, 202736), (512, 126710), (640, 101368), (1024, 63355), (1280, 50684), (2560, 25342), (5120, 12671)]