201451120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193703}}^1$

素因数の和:193729

約数の個数: 40

約数和(自身を含む): 504405216

約数和(自身を除く): 302954096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193703, 387406, 774812, 968515, 1549624, 1937030, 2518139, 3099248, 3874060, 5036278, 7748120, 10072556, 12590695, 15496240, 20145112, 25181390, 40290224, 50362780, 100725560, 201451120]

約数ペア:

[(1, 201451120), (2, 100725560), (4, 50362780), (5, 40290224), (8, 25181390), (10, 20145112), (13, 15496240), (16, 12590695), (20, 10072556), (26, 7748120), (40, 5036278), (52, 3874060), (65, 3099248), (80, 2518139), (104, 1937030), (130, 1549624), (208, 968515), (260, 774812), (520, 387406), (1040, 193703)]