99818240

素因数分解:

$2^8\times 5^1\times {\mathrm{77983}}^1$

素因数の和:78004

約数の個数: 36

約数和(自身を含む): 239098944

約数和(自身を除く): 139280704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 77983, 155966, 311932, 389915, 623864, 779830, 1247728, 1559660, 2495456, 3119320, 4990912, 6238640, 9981824, 12477280, 19963648, 24954560, 49909120, 99818240]

約数ペア:

[(1, 99818240), (2, 49909120), (4, 24954560), (5, 19963648), (8, 12477280), (10, 9981824), (16, 6238640), (20, 4990912), (32, 3119320), (40, 2495456), (64, 1559660), (80, 1247728), (128, 779830), (160, 623864), (256, 389915), (320, 311932), (640, 155966), (1280, 77983)]