80661080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 192326400

約数和(自身を除く): 111665320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 503, 760, 844, 1006, 1055, 1688, 2012, 2110, 2515, 4009, 4024, 4220, 5030, 8018, 8440, 9557, 10060, 16036, 19114, 20045, 20120, 32072, 38228, 40090, 47785, 76456, 80180, 95570, 106133, 160360, 191140, 212266, 382280, 424532, 530665, 849064, 1061330, 2016527, 2122660, 4033054, 4245320, 8066108, 10082635, 16132216, 20165270, 40330540, 80661080]

約数ペア:

[(1, 80661080), (2, 40330540), (4, 20165270), (5, 16132216), (8, 10082635), (10, 8066108), (19, 4245320), (20, 4033054), (38, 2122660), (40, 2016527), (76, 1061330), (95, 849064), (152, 530665), (190, 424532), (211, 382280), (380, 212266), (422, 191140), (503, 160360), (760, 106133), (844, 95570), (1006, 80180), (1055, 76456), (1688, 47785), (2012, 40090), (2110, 38228), (2515, 32072), (4009, 20120), (4024, 20045), (4220, 19114), (5030, 16036), (8018, 10060), (8440, 9557)]