4851940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 10718064

約数和(自身を除く): 5866124

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 97, 122, 164, 194, 205, 244, 305, 388, 410, 485, 610, 820, 970, 1220, 1940, 2501, 3977, 5002, 5917, 7954, 10004, 11834, 12505, 15908, 19885, 23668, 25010, 29585, 39770, 50020, 59170, 79540, 118340, 242597, 485194, 970388, 1212985, 2425970, 4851940]

約数ペア:

[(1, 4851940), (2, 2425970), (4, 1212985), (5, 970388), (10, 485194), (20, 242597), (41, 118340), (61, 79540), (82, 59170), (97, 50020), (122, 39770), (164, 29585), (194, 25010), (205, 23668), (244, 19885), (305, 15908), (388, 12505), (410, 11834), (485, 10004), (610, 7954), (820, 5917), (970, 5002), (1220, 3977), (1940, 2501)]