20176028750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{1493}}^1$

素因数の和:2103

約数の個数: 80

約数和(自身を含む): 39905038800

約数和(自身を除く): 19729010050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 569, 625, 950, 1138, 1250, 1493, 2375, 2845, 2986, 4750, 5690, 7465, 10811, 11875, 14225, 14930, 21622, 23750, 28367, 28450, 37325, 54055, 56734, 71125, 74650, 108110, 141835, 142250, 186625, 270275, 283670, 355625, 373250, 540550, 709175, 711250, 849517, 933125, 1351375, 1418350, 1699034, 1866250, 2702750, 3545875, 4247585, 6756875, 7091750, 8495170, 13513750, 16140823, 17729375, 21237925, 32281646, 35458750, 42475850, 80704115, 106189625, 161408230, 212379250, 403520575, 530948125, 807041150, 1061896250, 2017602875, 4035205750, 10088014375, 20176028750]

約数ペア:

[(1, 20176028750), (2, 10088014375), (5, 4035205750), (10, 2017602875), (19, 1061896250), (25, 807041150), (38, 530948125), (50, 403520575), (95, 212379250), (125, 161408230), (190, 106189625), (250, 80704115), (475, 42475850), (569, 35458750), (625, 32281646), (950, 21237925), (1138, 17729375), (1250, 16140823), (1493, 13513750), (2375, 8495170), (2845, 7091750), (2986, 6756875), (4750, 4247585), (5690, 3545875), (7465, 2702750), (10811, 1866250), (11875, 1699034), (14225, 1418350), (14930, 1351375), (21622, 933125), (23750, 849517), (28367, 711250), (28450, 709175), (37325, 540550), (54055, 373250), (56734, 355625), (71125, 283670), (74650, 270275), (108110, 186625), (141835, 142250)]