28377200

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1242

約数の個数: 60

約数和(自身を含む): 69353448

約数和(自身を除く): 40976248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1163, 1220, 1525, 2326, 2440, 3050, 4652, 4880, 5815, 6100, 9304, 11630, 12200, 18608, 23260, 24400, 29075, 46520, 58150, 70943, 93040, 116300, 141886, 232600, 283772, 354715, 465200, 567544, 709430, 1135088, 1418860, 1773575, 2837720, 3547150, 5675440, 7094300, 14188600, 28377200]

約数ペア:

[(1, 28377200), (2, 14188600), (4, 7094300), (5, 5675440), (8, 3547150), (10, 2837720), (16, 1773575), (20, 1418860), (25, 1135088), (40, 709430), (50, 567544), (61, 465200), (80, 354715), (100, 283772), (122, 232600), (200, 141886), (244, 116300), (305, 93040), (400, 70943), (488, 58150), (610, 46520), (976, 29075), (1163, 24400), (1220, 23260), (1525, 18608), (2326, 12200), (2440, 11630), (3050, 9304), (4652, 6100), (4880, 5815)]