30989440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 75955320

約数和(自身を除く): 44965880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1181, 1312, 1640, 2362, 2624, 3280, 4724, 5248, 5905, 6560, 9448, 11810, 13120, 18896, 23620, 26240, 37792, 47240, 48421, 75584, 94480, 96842, 151168, 188960, 193684, 242105, 377920, 387368, 484210, 755840, 774736, 968420, 1549472, 1936840, 3098944, 3873680, 6197888, 7747360, 15494720, 30989440]

約数ペア:

[(1, 30989440), (2, 15494720), (4, 7747360), (5, 6197888), (8, 3873680), (10, 3098944), (16, 1936840), (20, 1549472), (32, 968420), (40, 774736), (41, 755840), (64, 484210), (80, 387368), (82, 377920), (128, 242105), (160, 193684), (164, 188960), (205, 151168), (320, 96842), (328, 94480), (410, 75584), (640, 48421), (656, 47240), (820, 37792), (1181, 26240), (1312, 23620), (1640, 18896), (2362, 13120), (2624, 11810), (3280, 9448), (4724, 6560), (5248, 5905)]