2018349722360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1\times {\mathrm{809399}}^1$

素因数の和:811452

約数の個数: 64

約数和(自身を含む): 4690116864000

約数和(自身を除く): 2671767141640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2011, 4022, 8044, 10055, 16088, 20110, 40220, 62341, 80440, 124682, 249364, 311705, 498728, 623410, 809399, 1246820, 1618798, 2493640, 3237596, 4046995, 6475192, 8093990, 16187980, 25091369, 32375960, 50182738, 100365476, 125456845, 200730952, 250913690, 501827380, 1003654760, 1627701389, 3255402778, 6510805556, 8138506945, 13021611112, 16277013890, 32554027780, 50458743059, 65108055560, 100917486118, 201834972236, 252293715295, 403669944472, 504587430590, 1009174861180, 2018349722360]

約数ペア:

[(1, 2018349722360), (2, 1009174861180), (4, 504587430590), (5, 403669944472), (8, 252293715295), (10, 201834972236), (20, 100917486118), (31, 65108055560), (40, 50458743059), (62, 32554027780), (124, 16277013890), (155, 13021611112), (248, 8138506945), (310, 6510805556), (620, 3255402778), (1240, 1627701389), (2011, 1003654760), (4022, 501827380), (8044, 250913690), (10055, 200730952), (16088, 125456845), (20110, 100365476), (40220, 50182738), (62341, 32375960), (80440, 25091369), (124682, 16187980), (249364, 8093990), (311705, 6475192), (498728, 4046995), (623410, 3237596), (809399, 2493640), (1246820, 1618798)]