64775120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26119}}^1$

素因数の和:26163

約数の個数: 40

約数和(自身を含む): 155466240

約数和(自身を除く): 90691120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26119, 52238, 104476, 130595, 208952, 261190, 417904, 522380, 809689, 1044760, 1619378, 2089520, 3238756, 4048445, 6477512, 8096890, 12955024, 16193780, 32387560, 64775120]

約数ペア:

[(1, 64775120), (2, 32387560), (4, 16193780), (5, 12955024), (8, 8096890), (10, 6477512), (16, 4048445), (20, 3238756), (31, 2089520), (40, 1619378), (62, 1044760), (80, 809689), (124, 522380), (155, 417904), (248, 261190), (310, 208952), (496, 130595), (620, 104476), (1240, 52238), (2480, 26119)]