21797595440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{28081}}^1$

素因数の和:28438

約数の個数: 80

約数和(自身を含む): 52483236096

約数和(自身を除く): 30685640656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 313, 496, 620, 626, 1240, 1252, 1565, 2480, 2504, 3130, 5008, 6260, 9703, 12520, 19406, 25040, 28081, 38812, 48515, 56162, 77624, 97030, 112324, 140405, 155248, 194060, 224648, 280810, 388120, 449296, 561620, 776240, 870511, 1123240, 1741022, 2246480, 3482044, 4352555, 6964088, 8705110, 8789353, 13928176, 17410220, 17578706, 34820440, 35157412, 43946765, 69640880, 70314824, 87893530, 140629648, 175787060, 272469943, 351574120, 544939886, 703148240, 1089879772, 1362349715, 2179759544, 2724699430, 4359519088, 5449398860, 10898797720, 21797595440]

約数ペア:

[(1, 21797595440), (2, 10898797720), (4, 5449398860), (5, 4359519088), (8, 2724699430), (10, 2179759544), (16, 1362349715), (20, 1089879772), (31, 703148240), (40, 544939886), (62, 351574120), (80, 272469943), (124, 175787060), (155, 140629648), (248, 87893530), (310, 70314824), (313, 69640880), (496, 43946765), (620, 35157412), (626, 34820440), (1240, 17578706), (1252, 17410220), (1565, 13928176), (2480, 8789353), (2504, 8705110), (3130, 6964088), (5008, 4352555), (6260, 3482044), (9703, 2246480), (12520, 1741022), (19406, 1123240), (25040, 870511), (28081, 776240), (38812, 561620), (48515, 449296), (56162, 388120), (77624, 280810), (97030, 224648), (112324, 194060), (140405, 155248)]