28040820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 85494528

約数和(自身を除く): 57453708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 85, 102, 111, 148, 170, 185, 204, 222, 255, 340, 370, 444, 510, 555, 629, 740, 743, 1020, 1110, 1258, 1486, 1887, 2220, 2229, 2516, 2972, 3145, 3715, 3774, 4458, 6290, 7430, 7548, 8916, 9435, 11145, 12580, 12631, 14860, 18870, 22290, 25262, 27491, 37740, 37893, 44580, 50524, 54982, 63155, 75786, 82473, 109964, 126310, 137455, 151572, 164946, 189465, 252620, 274910, 329892, 378930, 412365, 467347, 549820, 757860, 824730, 934694, 1402041, 1649460, 1869388, 2336735, 2804082, 4673470, 5608164, 7010205, 9346940, 14020410, 28040820]

約数ペア:

[(1, 28040820), (2, 14020410), (3, 9346940), (4, 7010205), (5, 5608164), (6, 4673470), (10, 2804082), (12, 2336735), (15, 1869388), (17, 1649460), (20, 1402041), (30, 934694), (34, 824730), (37, 757860), (51, 549820), (60, 467347), (68, 412365), (74, 378930), (85, 329892), (102, 274910), (111, 252620), (148, 189465), (170, 164946), (185, 151572), (204, 137455), (222, 126310), (255, 109964), (340, 82473), (370, 75786), (444, 63155), (510, 54982), (555, 50524), (629, 44580), (740, 37893), (743, 37740), (1020, 27491), (1110, 25262), (1258, 22290), (1486, 18870), (1887, 14860), (2220, 12631), (2229, 12580), (2516, 11145), (2972, 9435), (3145, 8916), (3715, 7548), (3774, 7430), (4458, 6290)]