28403180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3767}}^1$

素因数の和:3818

約数の個数: 48

約数和(自身を含む): 66467520

約数和(自身を除く): 38064340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3767, 3770, 7534, 7540, 15068, 18835, 37670, 48971, 75340, 97942, 109243, 195884, 218486, 244855, 436972, 489710, 546215, 979420, 1092430, 1420159, 2184860, 2840318, 5680636, 7100795, 14201590, 28403180]

約数ペア:

[(1, 28403180), (2, 14201590), (4, 7100795), (5, 5680636), (10, 2840318), (13, 2184860), (20, 1420159), (26, 1092430), (29, 979420), (52, 546215), (58, 489710), (65, 436972), (116, 244855), (130, 218486), (145, 195884), (260, 109243), (290, 97942), (377, 75340), (580, 48971), (754, 37670), (1508, 18835), (1885, 15068), (3767, 7540), (3770, 7534)]