2012338640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101839}}^1$

素因数の和:101884

約数の個数: 80

約数和(自身を含む): 5303827200

約数和(自身を除く): 3291488560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 101839, 203678, 407356, 509195, 814712, 1018390, 1323907, 1629424, 1934941, 2036780, 2647814, 3869882, 4073560, 5295628, 6619535, 7739764, 8147120, 9674705, 10591256, 13239070, 15479528, 19349410, 21182512, 25154233, 26478140, 30959056, 38698820, 50308466, 52956280, 77397640, 100616932, 105912560, 125771165, 154795280, 201233864, 251542330, 402467728, 503084660, 1006169320, 2012338640]

約数ペア:

[(1, 2012338640), (2, 1006169320), (4, 503084660), (5, 402467728), (8, 251542330), (10, 201233864), (13, 154795280), (16, 125771165), (19, 105912560), (20, 100616932), (26, 77397640), (38, 52956280), (40, 50308466), (52, 38698820), (65, 30959056), (76, 26478140), (80, 25154233), (95, 21182512), (104, 19349410), (130, 15479528), (152, 13239070), (190, 10591256), (208, 9674705), (247, 8147120), (260, 7739764), (304, 6619535), (380, 5295628), (494, 4073560), (520, 3869882), (760, 2647814), (988, 2036780), (1040, 1934941), (1235, 1629424), (1520, 1323907), (1976, 1018390), (2470, 814712), (3952, 509195), (4940, 407356), (9880, 203678), (19760, 101839)]