20140518320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019257}}^1$

素因数の和:1019302

約数の個数: 80

約数和(自身を含む): 53082956640

約数和(自身を除く): 32942438320

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, 1019257, 2038514, 4077028, 5096285, 8154056, 10192570, 13250341, 16308112, 19365883, 20385140, 26500682, 38731766, 40770280, 53001364, 66251705, 77463532, 81540560, 96829415, 106002728, 132503410, 154927064, 193658830, 212005456, 251756479, 265006820, 309854128, 387317660, 503512958, 530013640, 774635320, 1007025916, 1060027280, 1258782395, 1549270640, 2014051832, 2517564790, 4028103664, 5035129580, 10070259160, 20140518320]

約数ペア:

[(1, 20140518320), (2, 10070259160), (4, 5035129580), (5, 4028103664), (8, 2517564790), (10, 2014051832), (13, 1549270640), (16, 1258782395), (19, 1060027280), (20, 1007025916), (26, 774635320), (38, 530013640), (40, 503512958), (52, 387317660), (65, 309854128), (76, 265006820), (80, 251756479), (95, 212005456), (104, 193658830), (130, 154927064), (152, 132503410), (190, 106002728), (208, 96829415), (247, 81540560), (260, 77463532), (304, 66251705), (380, 53001364), (494, 40770280), (520, 38731766), (760, 26500682), (988, 20385140), (1040, 19365883), (1235, 16308112), (1520, 13250341), (1976, 10192570), (2470, 8154056), (3952, 5096285), (4940, 4077028), (9880, 2038514), (19760, 1019257)]