4089777920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103069}}^1$

素因数の和:103121

約数の個数: 72

約数和(自身を含む): 10112403840

約数和(自身を除く): 6022625920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 103069, 206138, 412276, 515345, 824552, 1030690, 1649104, 2061380, 3195139, 3298208, 4122760, 6390278, 6596416, 8245520, 12780556, 13192832, 15975695, 16491040, 25561112, 26385664, 31951390, 32982080, 51122224, 63902780, 65964160, 102244448, 127805560, 131928320, 204488896, 255611120, 408977792, 511222240, 817955584, 1022444480, 2044888960, 4089777920]

約数ペア:

[(1, 4089777920), (2, 2044888960), (4, 1022444480), (5, 817955584), (8, 511222240), (10, 408977792), (16, 255611120), (20, 204488896), (31, 131928320), (32, 127805560), (40, 102244448), (62, 65964160), (64, 63902780), (80, 51122224), (124, 32982080), (128, 31951390), (155, 26385664), (160, 25561112), (248, 16491040), (256, 15975695), (310, 13192832), (320, 12780556), (496, 8245520), (620, 6596416), (640, 6390278), (992, 4122760), (1240, 3298208), (1280, 3195139), (1984, 2061380), (2480, 1649104), (3968, 1030690), (4960, 824552), (7936, 515345), (9920, 412276), (19840, 206138), (39680, 103069)]