15707580520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157013}}^1$

素因数の和:157126

約数の個数: 64

約数和(自身を含む): 36797801040

約数和(自身を除く): 21090220520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1640, 2440, 2501, 5002, 10004, 12505, 20008, 25010, 50020, 100040, 157013, 314026, 628052, 785065, 1256104, 1570130, 3140260, 6280520, 6437533, 9577793, 12875066, 19155586, 25750132, 32187665, 38311172, 47888965, 51500264, 64375330, 76622344, 95777930, 128750660, 191555860, 257501320, 383111720, 392689513, 785379026, 1570758052, 1963447565, 3141516104, 3926895130, 7853790260, 15707580520]

約数ペア:

[(1, 15707580520), (2, 7853790260), (4, 3926895130), (5, 3141516104), (8, 1963447565), (10, 1570758052), (20, 785379026), (40, 392689513), (41, 383111720), (61, 257501320), (82, 191555860), (122, 128750660), (164, 95777930), (205, 76622344), (244, 64375330), (305, 51500264), (328, 47888965), (410, 38311172), (488, 32187665), (610, 25750132), (820, 19155586), (1220, 12875066), (1640, 9577793), (2440, 6437533), (2501, 6280520), (5002, 3140260), (10004, 1570130), (12505, 1256104), (20008, 785065), (25010, 628052), (50020, 314026), (100040, 157013)]