201810440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4001}}^1$

素因数の和:4122

約数の個数: 64

約数和(自身を含む): 494166960

約数和(自身を除く): 292356520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1940, 2522, 3880, 4001, 5044, 6305, 8002, 10088, 12610, 16004, 20005, 25220, 32008, 40010, 50440, 52013, 80020, 104026, 160040, 208052, 260065, 388097, 416104, 520130, 776194, 1040260, 1552388, 1940485, 2080520, 3104776, 3880970, 5045261, 7761940, 10090522, 15523880, 20181044, 25226305, 40362088, 50452610, 100905220, 201810440]

約数ペア:

[(1, 201810440), (2, 100905220), (4, 50452610), (5, 40362088), (8, 25226305), (10, 20181044), (13, 15523880), (20, 10090522), (26, 7761940), (40, 5045261), (52, 3880970), (65, 3104776), (97, 2080520), (104, 1940485), (130, 1552388), (194, 1040260), (260, 776194), (388, 520130), (485, 416104), (520, 388097), (776, 260065), (970, 208052), (1261, 160040), (1940, 104026), (2522, 80020), (3880, 52013), (4001, 50440), (5044, 40010), (6305, 32008), (8002, 25220), (10088, 20005), (12610, 16004)]