15697028750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1493}}^1$

素因数の和:2175

約数の個数: 80

約数和(自身を含む): 31756009824

約数和(自身を除く): 16058981074

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 647, 650, 1250, 1294, 1493, 1625, 2986, 3235, 3250, 6470, 7465, 8125, 8411, 14930, 16175, 16250, 16822, 19409, 32350, 37325, 38818, 42055, 74650, 80875, 84110, 97045, 161750, 186625, 194090, 210275, 373250, 404375, 420550, 485225, 808750, 933125, 965971, 970450, 1051375, 1866250, 1931942, 2102750, 2426125, 4829855, 4852250, 5256875, 9659710, 10513750, 12130625, 12557623, 24149275, 24261250, 25115246, 48298550, 62788115, 120746375, 125576230, 241492750, 313940575, 603731875, 627881150, 1207463750, 1569702875, 3139405750, 7848514375, 15697028750]

約数ペア:

[(1, 15697028750), (2, 7848514375), (5, 3139405750), (10, 1569702875), (13, 1207463750), (25, 627881150), (26, 603731875), (50, 313940575), (65, 241492750), (125, 125576230), (130, 120746375), (250, 62788115), (325, 48298550), (625, 25115246), (647, 24261250), (650, 24149275), (1250, 12557623), (1294, 12130625), (1493, 10513750), (1625, 9659710), (2986, 5256875), (3235, 4852250), (3250, 4829855), (6470, 2426125), (7465, 2102750), (8125, 1931942), (8411, 1866250), (14930, 1051375), (16175, 970450), (16250, 965971), (16822, 933125), (19409, 808750), (32350, 485225), (37325, 420550), (38818, 404375), (42055, 373250), (74650, 210275), (80875, 194090), (84110, 186625), (97045, 161750)]