28356460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 66058272

約数和(自身を除く): 37701812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2113, 2684, 3355, 4226, 6710, 8452, 10565, 13420, 21130, 23243, 42260, 46486, 92972, 116215, 128893, 232430, 257786, 464860, 515572, 644465, 1288930, 1417823, 2577860, 2835646, 5671292, 7089115, 14178230, 28356460]

約数ペア:

[(1, 28356460), (2, 14178230), (4, 7089115), (5, 5671292), (10, 2835646), (11, 2577860), (20, 1417823), (22, 1288930), (44, 644465), (55, 515572), (61, 464860), (110, 257786), (122, 232430), (220, 128893), (244, 116215), (305, 92972), (610, 46486), (671, 42260), (1220, 23243), (1342, 21130), (2113, 13420), (2684, 10565), (3355, 8452), (4226, 6710)]