99876520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40933}}^1$

素因数の和:41005

約数の個数: 32

約数和(自身を含む): 228411720

約数和(自身を除く): 128535200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 40933, 81866, 163732, 204665, 327464, 409330, 818660, 1637320, 2496913, 4993826, 9987652, 12484565, 19975304, 24969130, 49938260, 99876520]

約数ペア:

[(1, 99876520), (2, 49938260), (4, 24969130), (5, 19975304), (8, 12484565), (10, 9987652), (20, 4993826), (40, 2496913), (61, 1637320), (122, 818660), (244, 409330), (305, 327464), (488, 204665), (610, 163732), (1220, 81866), (2440, 40933)]