20135791875

素因数分解:

$3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2543}}^1$

素因数の和:2710

約数の個数: 80

約数和(自身を含む): 34714487808

約数和(自身を除く): 14578695933

約数列:

[1, 3, 5, 15, 25, 41, 75, 103, 123, 125, 205, 309, 375, 515, 615, 625, 1025, 1545, 1875, 2543, 2575, 3075, 4223, 5125, 7629, 7725, 12669, 12715, 12875, 15375, 21115, 25625, 38145, 38625, 63345, 63575, 64375, 76875, 104263, 105575, 190725, 193125, 261929, 312789, 316725, 317875, 521315, 527875, 785787, 953625, 1309645, 1563945, 1583625, 1589375, 2606575, 2639375, 3928935, 4768125, 6548225, 7819725, 7918125, 10739089, 13032875, 19644675, 32217267, 32741125, 39098625, 53695445, 65164375, 98223375, 161086335, 163705625, 195493125, 268477225, 491116875, 805431675, 1342386125, 4027158375, 6711930625, 20135791875]

約数ペア:

[(1, 20135791875), (3, 6711930625), (5, 4027158375), (15, 1342386125), (25, 805431675), (41, 491116875), (75, 268477225), (103, 195493125), (123, 163705625), (125, 161086335), (205, 98223375), (309, 65164375), (375, 53695445), (515, 39098625), (615, 32741125), (625, 32217267), (1025, 19644675), (1545, 13032875), (1875, 10739089), (2543, 7918125), (2575, 7819725), (3075, 6548225), (4223, 4768125), (5125, 3928935), (7629, 2639375), (7725, 2606575), (12669, 1589375), (12715, 1583625), (12875, 1563945), (15375, 1309645), (21115, 953625), (25625, 785787), (38145, 527875), (38625, 521315), (63345, 317875), (63575, 316725), (64375, 312789), (76875, 261929), (104263, 193125), (105575, 190725)]