1254998420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{155707}}^1$

素因数の和:155760

約数の個数: 48

約数和(自身を含む): 2929801728

約数和(自身を除く): 1674803308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 155707, 311414, 622828, 778535, 1557070, 2024191, 3114140, 4048382, 4826917, 8096764, 9653834, 10120955, 19307668, 20241910, 24134585, 40483820, 48269170, 62749921, 96538340, 125499842, 250999684, 313749605, 627499210, 1254998420]

約数ペア:

[(1, 1254998420), (2, 627499210), (4, 313749605), (5, 250999684), (10, 125499842), (13, 96538340), (20, 62749921), (26, 48269170), (31, 40483820), (52, 24134585), (62, 20241910), (65, 19307668), (124, 10120955), (130, 9653834), (155, 8096764), (260, 4826917), (310, 4048382), (403, 3114140), (620, 2024191), (806, 1557070), (1612, 778535), (2015, 622828), (4030, 311414), (8060, 155707)]