40645370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 41469190

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 71, 95, 115, 131, 142, 190, 230, 262, 355, 437, 655, 710, 874, 1310, 1349, 1633, 2185, 2489, 2698, 3013, 3266, 4370, 4978, 6026, 6745, 8165, 9301, 12445, 13490, 15065, 16330, 18602, 24890, 30130, 31027, 46505, 57247, 62054, 93010, 114494, 155135, 176719, 213923, 286235, 310270, 353438, 427846, 572470, 883595, 1069615, 1767190, 2139230, 4064537, 8129074, 20322685, 40645370]

約数ペア:

[(1, 40645370), (2, 20322685), (5, 8129074), (10, 4064537), (19, 2139230), (23, 1767190), (38, 1069615), (46, 883595), (71, 572470), (95, 427846), (115, 353438), (131, 310270), (142, 286235), (190, 213923), (230, 176719), (262, 155135), (355, 114494), (437, 93010), (655, 62054), (710, 57247), (874, 46505), (1310, 31027), (1349, 30130), (1633, 24890), (2185, 18602), (2489, 16330), (2698, 15065), (3013, 13490), (3266, 12445), (4370, 9301), (4978, 8165), (6026, 6745)]