31979860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2383}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 74495232

約数和(自身を除く): 42515372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2383, 2684, 3355, 4766, 6710, 9532, 11915, 13420, 23830, 26213, 47660, 52426, 104852, 131065, 145363, 262130, 290726, 524260, 581452, 726815, 1453630, 1598993, 2907260, 3197986, 6395972, 7994965, 15989930, 31979860]

約数ペア:

[(1, 31979860), (2, 15989930), (4, 7994965), (5, 6395972), (10, 3197986), (11, 2907260), (20, 1598993), (22, 1453630), (44, 726815), (55, 581452), (61, 524260), (110, 290726), (122, 262130), (220, 145363), (244, 131065), (305, 104852), (610, 52426), (671, 47660), (1220, 26213), (1342, 23830), (2383, 13420), (2684, 11915), (3355, 9532), (4766, 6710)]