203920480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41113}}^1$

素因数の和:41159

約数の個数: 48

約数和(自身を含む): 497314944

約数和(自身を除く): 293394464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 41113, 82226, 164452, 205565, 328904, 411130, 657808, 822260, 1274503, 1315616, 1644520, 2549006, 3289040, 5098012, 6372515, 6578080, 10196024, 12745030, 20392048, 25490060, 40784096, 50980120, 101960240, 203920480]

約数ペア:

[(1, 203920480), (2, 101960240), (4, 50980120), (5, 40784096), (8, 25490060), (10, 20392048), (16, 12745030), (20, 10196024), (31, 6578080), (32, 6372515), (40, 5098012), (62, 3289040), (80, 2549006), (124, 1644520), (155, 1315616), (160, 1274503), (248, 822260), (310, 657808), (496, 411130), (620, 328904), (992, 205565), (1240, 164452), (2480, 82226), (4960, 41113)]