51492860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 117430656

約数和(自身を除く): 65937796

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 157, 230, 310, 314, 460, 529, 620, 628, 713, 785, 1058, 1426, 1570, 2116, 2645, 2852, 3140, 3565, 3611, 4867, 5290, 7130, 7222, 9734, 10580, 14260, 14444, 16399, 18055, 19468, 24335, 32798, 36110, 48670, 65596, 72220, 81995, 83053, 97340, 111941, 163990, 166106, 223882, 327980, 332212, 415265, 447764, 559705, 830530, 1119410, 1661060, 2238820, 2574643, 5149286, 10298572, 12873215, 25746430, 51492860]

約数ペア:

[(1, 51492860), (2, 25746430), (4, 12873215), (5, 10298572), (10, 5149286), (20, 2574643), (23, 2238820), (31, 1661060), (46, 1119410), (62, 830530), (92, 559705), (115, 447764), (124, 415265), (155, 332212), (157, 327980), (230, 223882), (310, 166106), (314, 163990), (460, 111941), (529, 97340), (620, 83053), (628, 81995), (713, 72220), (785, 65596), (1058, 48670), (1426, 36110), (1570, 32798), (2116, 24335), (2645, 19468), (2852, 18055), (3140, 16399), (3565, 14444), (3611, 14260), (4867, 10580), (5290, 9734), (7130, 7222)]