20528040500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{162277}}^1$

素因数の和:162330

約数の個数: 96

約数和(自身を含む): 51035781888

約数和(自身を除く): 30507741388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 125, 220, 230, 250, 253, 275, 460, 500, 506, 550, 575, 1012, 1100, 1150, 1265, 1375, 2300, 2530, 2750, 2875, 5060, 5500, 5750, 6325, 11500, 12650, 25300, 31625, 63250, 126500, 162277, 324554, 649108, 811385, 1622770, 1785047, 3245540, 3570094, 3732371, 4056925, 7140188, 7464742, 8113850, 8925235, 14929484, 16227700, 17850470, 18661855, 20284625, 35700940, 37323710, 40569250, 41056081, 44626175, 74647420, 81138500, 82112162, 89252350, 93309275, 164224324, 178504700, 186618550, 205280405, 223130875, 373237100, 410560810, 446261750, 466546375, 821121620, 892523500, 933092750, 1026402025, 1866185500, 2052804050, 4105608100, 5132010125, 10264020250, 20528040500]

約数ペア:

[(1, 20528040500), (2, 10264020250), (4, 5132010125), (5, 4105608100), (10, 2052804050), (11, 1866185500), (20, 1026402025), (22, 933092750), (23, 892523500), (25, 821121620), (44, 466546375), (46, 446261750), (50, 410560810), (55, 373237100), (92, 223130875), (100, 205280405), (110, 186618550), (115, 178504700), (125, 164224324), (220, 93309275), (230, 89252350), (250, 82112162), (253, 81138500), (275, 74647420), (460, 44626175), (500, 41056081), (506, 40569250), (550, 37323710), (575, 35700940), (1012, 20284625), (1100, 18661855), (1150, 17850470), (1265, 16227700), (1375, 14929484), (2300, 8925235), (2530, 8113850), (2750, 7464742), (2875, 7140188), (5060, 4056925), (5500, 3732371), (5750, 3570094), (6325, 3245540), (11500, 1785047), (12650, 1622770), (25300, 811385), (31625, 649108), (63250, 324554), (126500, 162277)]