28693760

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 71192520

約数和(自身を除く): 42498760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 773, 928, 1160, 1280, 1546, 1856, 2320, 3092, 3712, 3865, 4640, 6184, 7424, 7730, 9280, 12368, 15460, 18560, 22417, 24736, 30920, 37120, 44834, 49472, 61840, 89668, 98944, 112085, 123680, 179336, 197888, 224170, 247360, 358672, 448340, 494720, 717344, 896680, 989440, 1434688, 1793360, 2869376, 3586720, 5738752, 7173440, 14346880, 28693760]

約数ペア:

[(1, 28693760), (2, 14346880), (4, 7173440), (5, 5738752), (8, 3586720), (10, 2869376), (16, 1793360), (20, 1434688), (29, 989440), (32, 896680), (40, 717344), (58, 494720), (64, 448340), (80, 358672), (116, 247360), (128, 224170), (145, 197888), (160, 179336), (232, 123680), (256, 112085), (290, 98944), (320, 89668), (464, 61840), (580, 49472), (640, 44834), (773, 37120), (928, 30920), (1160, 24736), (1280, 22417), (1546, 18560), (1856, 15460), (2320, 12368), (3092, 9280), (3712, 7730), (3865, 7424), (4640, 6184)]