64245496250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{22853}}^1$

素因数の和:23061

約数の個数: 80

約数和(自身を含む): 130440301992

約数和(自身を除く): 66194805742

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 173, 250, 325, 346, 625, 650, 865, 1250, 1625, 1730, 2249, 3250, 4325, 4498, 8125, 8650, 11245, 16250, 21625, 22490, 22853, 43250, 45706, 56225, 108125, 112450, 114265, 216250, 228530, 281125, 297089, 562250, 571325, 594178, 1142650, 1405625, 1485445, 2811250, 2856625, 2970890, 3953569, 5713250, 7427225, 7907138, 14283125, 14854450, 19767845, 28566250, 37136125, 39535690, 51396397, 74272250, 98839225, 102792794, 185680625, 197678450, 256981985, 371361250, 494196125, 513963970, 988392250, 1284909925, 2470980625, 2569819850, 4941961250, 6424549625, 12849099250, 32122748125, 64245496250]

約数ペア:

[(1, 64245496250), (2, 32122748125), (5, 12849099250), (10, 6424549625), (13, 4941961250), (25, 2569819850), (26, 2470980625), (50, 1284909925), (65, 988392250), (125, 513963970), (130, 494196125), (173, 371361250), (250, 256981985), (325, 197678450), (346, 185680625), (625, 102792794), (650, 98839225), (865, 74272250), (1250, 51396397), (1625, 39535690), (1730, 37136125), (2249, 28566250), (3250, 19767845), (4325, 14854450), (4498, 14283125), (8125, 7907138), (8650, 7427225), (11245, 5713250), (16250, 3953569), (21625, 2970890), (22490, 2856625), (22853, 2811250), (43250, 1485445), (45706, 1405625), (56225, 1142650), (108125, 594178), (112450, 571325), (114265, 562250), (216250, 297089), (228530, 281125)]