131209600

素因数分解:

$2^7\times 5^2\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 327646440

約数和(自身を除く): 196436840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 131, 160, 200, 262, 313, 320, 400, 524, 626, 640, 655, 800, 1048, 1252, 1310, 1565, 1600, 2096, 2504, 2620, 3130, 3200, 3275, 4192, 5008, 5240, 6260, 6550, 7825, 8384, 10016, 10480, 12520, 13100, 15650, 16768, 20032, 20960, 25040, 26200, 31300, 40064, 41003, 41920, 50080, 52400, 62600, 82006, 83840, 100160, 104800, 125200, 164012, 200320, 205015, 209600, 250400, 328024, 410030, 419200, 500800, 656048, 820060, 1001600, 1025075, 1312096, 1640120, 2050150, 2624192, 3280240, 4100300, 5248384, 6560480, 8200600, 13120960, 16401200, 26241920, 32802400, 65604800, 131209600]

約数ペア:

[(1, 131209600), (2, 65604800), (4, 32802400), (5, 26241920), (8, 16401200), (10, 13120960), (16, 8200600), (20, 6560480), (25, 5248384), (32, 4100300), (40, 3280240), (50, 2624192), (64, 2050150), (80, 1640120), (100, 1312096), (128, 1025075), (131, 1001600), (160, 820060), (200, 656048), (262, 500800), (313, 419200), (320, 410030), (400, 328024), (524, 250400), (626, 209600), (640, 205015), (655, 200320), (800, 164012), (1048, 125200), (1252, 104800), (1310, 100160), (1565, 83840), (1600, 82006), (2096, 62600), (2504, 52400), (2620, 50080), (3130, 41920), (3200, 41003), (3275, 40064), (4192, 31300), (5008, 26200), (5240, 25040), (6260, 20960), (6550, 20032), (7825, 16768), (8384, 15650), (10016, 13100), (10480, 12520)]