40520720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16339}}^1$

素因数の和:16383

約数の個数: 40

約数和(自身を含む): 97255680

約数和(自身を除く): 56734960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16339, 32678, 65356, 81695, 130712, 163390, 261424, 326780, 506509, 653560, 1013018, 1307120, 2026036, 2532545, 4052072, 5065090, 8104144, 10130180, 20260360, 40520720]

約数ペア:

[(1, 40520720), (2, 20260360), (4, 10130180), (5, 8104144), (8, 5065090), (10, 4052072), (16, 2532545), (20, 2026036), (31, 1307120), (40, 1013018), (62, 653560), (80, 506509), (124, 326780), (155, 261424), (248, 163390), (310, 130712), (496, 81695), (620, 65356), (1240, 32678), (2480, 16339)]