144429440

素因数分解:

$2^7\times 5^1\times {\mathrm{225671}}^1$

素因数の和:225690

約数の個数: 32

約数和(自身を含む): 345278160

約数和(自身を除く): 200848720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 225671, 451342, 902684, 1128355, 1805368, 2256710, 3610736, 4513420, 7221472, 9026840, 14442944, 18053680, 28885888, 36107360, 72214720, 144429440]

約数ペア:

[(1, 144429440), (2, 72214720), (4, 36107360), (5, 28885888), (8, 18053680), (10, 14442944), (16, 9026840), (20, 7221472), (32, 4513420), (40, 3610736), (64, 2256710), (80, 1805368), (128, 1128355), (160, 902684), (320, 451342), (640, 225671)]