97767920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 241591680

約数和(自身を除く): 143823760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 380, 491, 524, 655, 760, 982, 1048, 1310, 1520, 1964, 2096, 2455, 2489, 2620, 3928, 4910, 4978, 5240, 7856, 9329, 9820, 9956, 10480, 12445, 18658, 19640, 19912, 24890, 37316, 39280, 39824, 46645, 49780, 64321, 74632, 93290, 99560, 128642, 149264, 186580, 199120, 257284, 321605, 373160, 514568, 643210, 746320, 1029136, 1222099, 1286420, 2444198, 2572840, 4888396, 5145680, 6110495, 9776792, 12220990, 19553584, 24441980, 48883960, 97767920]

約数ペア:

[(1, 97767920), (2, 48883960), (4, 24441980), (5, 19553584), (8, 12220990), (10, 9776792), (16, 6110495), (19, 5145680), (20, 4888396), (38, 2572840), (40, 2444198), (76, 1286420), (80, 1222099), (95, 1029136), (131, 746320), (152, 643210), (190, 514568), (262, 373160), (304, 321605), (380, 257284), (491, 199120), (524, 186580), (655, 149264), (760, 128642), (982, 99560), (1048, 93290), (1310, 74632), (1520, 64321), (1964, 49780), (2096, 46645), (2455, 39824), (2489, 39280), (2620, 37316), (3928, 24890), (4910, 19912), (4978, 19640), (5240, 18658), (7856, 12445), (9329, 10480), (9820, 9956)]