2028156975920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2713}}^1\times {\mathrm{71333}}^1$

素因数の和:74190

約数の個数: 80

約数和(自身を含む): 4753278886752

約数和(自身を除く): 2725121910832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2713, 5240, 5426, 10480, 10852, 13565, 21704, 27130, 43408, 54260, 71333, 108520, 142666, 217040, 285332, 355403, 356665, 570664, 710806, 713330, 1141328, 1421612, 1426660, 1777015, 2843224, 2853320, 3554030, 5686448, 5706640, 7108060, 9344623, 14216120, 18689246, 28432240, 37378492, 46723115, 74756984, 93446230, 149513968, 186892460, 193526429, 373784920, 387052858, 747569840, 774105716, 967632145, 1548211432, 1935264290, 3096422864, 3870528580, 7741057160, 15482114320, 25351962199, 50703924398, 101407848796, 126759810995, 202815697592, 253519621990, 405631395184, 507039243980, 1014078487960, 2028156975920]

約数ペア:

[(1, 2028156975920), (2, 1014078487960), (4, 507039243980), (5, 405631395184), (8, 253519621990), (10, 202815697592), (16, 126759810995), (20, 101407848796), (40, 50703924398), (80, 25351962199), (131, 15482114320), (262, 7741057160), (524, 3870528580), (655, 3096422864), (1048, 1935264290), (1310, 1548211432), (2096, 967632145), (2620, 774105716), (2713, 747569840), (5240, 387052858), (5426, 373784920), (10480, 193526429), (10852, 186892460), (13565, 149513968), (21704, 93446230), (27130, 74756984), (43408, 46723115), (54260, 37378492), (71333, 28432240), (108520, 18689246), (142666, 14216120), (217040, 9344623), (285332, 7108060), (355403, 5706640), (356665, 5686448), (570664, 3554030), (710806, 2853320), (713330, 2843224), (1141328, 1777015), (1421612, 1426660)]